640490760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 640

約数和(自身を含む): 2823408000

約数和(自身を除く): 2182917240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 26, 27, 28, 30, 35, 36, 38, 39, 40, 42, 45, 49, 52, 54, 56, 57, 60, 63, 65, 70, 72, 76, 78, 84, 90, 91, 95, 98, 104, 105, 108, 114, 117, 120, 126, 130, 133, 135, 140, 147, 152, 156, 168, 171, 180, 182, 189, 190, 195, 196, 210, 216, 228, 234, 245, 247, 252, 260, 266, 270, 273, 280, 285, 294, 312, 315, 342, 343, 351, 360, 364, 378, 380, 390, 392, 399, 420, 441, 455, 456, 468, 490, 494, 504, 513, 520, 532, 540, 546, 570, 585, 588, 630, 637, 665, 684, 686, 702, 728, 735, 741, 756, 760, 780, 798, 819, 840, 855, 882, 910, 931, 936, 945, 980, 988, 1026, 1029, 1064, 1080, 1092, 1140, 1170, 1176, 1197, 1235, 1260, 1274, 1323, 1330, 1365, 1368, 1372, 1404, 1470, 1482, 1512, 1560, 1596, 1638, 1710, 1715, 1729, 1755, 1764, 1820, 1862, 1890, 1911, 1960, 1976, 1995, 2052, 2058, 2184, 2205, 2223, 2280, 2340, 2394, 2401, 2457, 2470, 2520, 2548, 2565, 2646, 2660, 2730, 2744, 2793, 2808, 2940, 2964, 3087, 3185, 3192, 3276, 3420, 3430, 3458, 3510, 3528, 3591, 3640, 3705, 3724, 3780, 3822, 3990, 4095, 4104, 4116, 4410, 4446, 4459, 4655, 4680, 4788, 4802, 4914, 4940, 5096, 5130, 5145, 5187, 5292, 5320, 5460, 5586, 5733, 5880, 5928, 5985, 6174, 6370, 6517, 6552, 6615, 6669, 6840, 6860, 6916, 7020, 7182, 7203, 7410, 7448, 7560, 7644, 7980, 8190, 8232, 8379, 8645, 8820, 8892, 8918, 9261, 9310, 9555, 9576, 9604, 9828, 9880, 10260, 10290, 10374, 10584, 10920, 11115, 11172, 11466, 11970, 12005, 12103, 12285, 12348, 12740, 13034, 13230, 13338, 13377, 13720, 13832, 13965, 14040, 14364, 14406, 14820, 15288, 15435, 15561, 15960, 16380, 16758, 17199, 17290, 17640, 17784, 17836, 17955, 18522, 18620, 19110, 19208, 19551, 19656, 20520, 20580, 20748, 21609, 22230, 22295, 22344, 22932, 23940, 24010, 24206, 24570, 24696, 25137, 25480, 25935, 26068, 26460, 26676, 26754, 27930, 28665, 28728, 28812, 29640, 30870, 31122, 31213, 32585, 32760, 33345, 33516, 34398, 34580, 35672, 35910, 36015, 36309, 37044, 37240, 38220, 39102, 40131, 41160, 41496, 41895, 43218, 44460, 44590, 45619, 45864, 46305, 46683, 47880, 48020, 48412, 49140, 50274, 51870, 52136, 52920, 53352, 53508, 55860, 57330, 57624, 58653, 60515, 61740, 62244, 62426, 64827, 65170, 66690, 66885, 67032, 68796, 69160, 71820, 72030, 72618, 74088, 76440, 77805, 78204, 80262, 83790, 84721, 85995, 86436, 88920, 89180, 91238, 92610, 93366, 93639, 96040, 96824, 97755, 98280, 100548, 103740, 107016, 108045, 108927, 111720, 114660, 117306, 120393, 121030, 123480, 124488, 124852, 125685, 129654, 130340, 133380, 133770, 136857, 137592, 143640, 144060, 145236, 155610, 156065, 156408, 160524, 167580, 169442, 171990, 172872, 175959, 178360, 181545, 182476, 185220, 186732, 187278, 195510, 200655, 201096, 207480, 216090, 217854, 228095, 229320, 233415, 234612, 240786, 242060, 249704, 251370, 254163, 259308, 260680, 266760, 267540, 273714, 280917, 288120, 290472, 293265, 311220, 312130, 321048, 324135, 326781, 335160, 338884, 343980, 351918, 363090, 364952, 370440, 373464, 374556, 391020, 401310, 410571, 423605, 432180, 435708, 456190, 466830, 468195, 469224, 481572, 484120, 502740, 508326, 518616, 535080, 544635, 547428, 561834, 586530, 593047, 601965, 622440, 624260, 648270, 653562, 677768, 684285, 687960, 703836, 726180, 749112, 762489, 782040, 802620, 821142, 842751, 847210, 864360, 871416, 879795, 912380, 933660, 936390, 963144, 1005480, 1016652, 1089270, 1094856, 1123668, 1173060, 1186094, 1203930, 1231713, 1248520, 1270815, 1296540, 1307124, 1368570, 1404585, 1407672, 1452360, 1524978, 1605240, 1633905, 1642284, 1685502, 1694420, 1759590, 1779141, 1824760, 1867320, 1872780, 2033304, 2052855, 2178540, 2247336, 2287467, 2346120, 2372188, 2407860, 2463426, 2541630, 2593080, 2614248, 2737140, 2809170, 2965235, 3049956, 3267810, 3284568, 3371004, 3388840, 3519180, 3558282, 3745560, 3812445, 4105710, 4213755, 4357080, 4574934, 4744376, 4815720, 4926852, 5083260, 5337423, 5474280, 5618340, 5930470, 6099912, 6158565, 6535620, 6742008, 7038360, 7116564, 7624890, 8211420, 8427510, 8895705, 9149868, 9853704, 10166520, 10674846, 11236680, 11437335, 11860940, 12317130, 13071240, 14233128, 15249780, 16012269, 16422840, 16855020, 17791410, 18299736, 21349692, 22874670, 23721880, 24634260, 26687115, 30499560, 32024538, 33710040, 35582820, 42699384, 45749340, 49268520, 53374230, 64049076, 71165640, 80061345, 91498680, 106748460, 128098152, 160122690, 213496920, 320245380, 640490760]

約数ペア:

[(1, 640490760), (2, 320245380), (3, 213496920), (4, 160122690), (5, 128098152), (6, 106748460), (7, 91498680), (8, 80061345), (9, 71165640), (10, 64049076), (12, 53374230), (13, 49268520), (14, 45749340), (15, 42699384), (18, 35582820), (19, 33710040), (20, 32024538), (21, 30499560), (24, 26687115), (26, 24634260), (27, 23721880), (28, 22874670), (30, 21349692), (35, 18299736), (36, 17791410), (38, 16855020), (39, 16422840), (40, 16012269), (42, 15249780), (45, 14233128), (49, 13071240), (52, 12317130), (54, 11860940), (56, 11437335), (57, 11236680), (60, 10674846), (63, 10166520), (65, 9853704), (70, 9149868), (72, 8895705), (76, 8427510), (78, 8211420), (84, 7624890), (90, 7116564), (91, 7038360), (95, 6742008), (98, 6535620), (104, 6158565), (105, 6099912), (108, 5930470), (114, 5618340), (117, 5474280), (120, 5337423), (126, 5083260), (130, 4926852), (133, 4815720), (135, 4744376), (140, 4574934), (147, 4357080), (152, 4213755), (156, 4105710), (168, 3812445), (171, 3745560), (180, 3558282), (182, 3519180), (189, 3388840), (190, 3371004), (195, 3284568), (196, 3267810), (210, 3049956), (216, 2965235), (228, 2809170), (234, 2737140), (245, 2614248), (247, 2593080), (252, 2541630), (260, 2463426), (266, 2407860), (270, 2372188), (273, 2346120), (280, 2287467), (285, 2247336), (294, 2178540), (312, 2052855), (315, 2033304), (342, 1872780), (343, 1867320), (351, 1824760), (360, 1779141), (364, 1759590), (378, 1694420), (380, 1685502), (390, 1642284), (392, 1633905), (399, 1605240), (420, 1524978), (441, 1452360), (455, 1407672), (456, 1404585), (468, 1368570), (490, 1307124), (494, 1296540), (504, 1270815), (513, 1248520), (520, 1231713), (532, 1203930), (540, 1186094), (546, 1173060), (570, 1123668), (585, 1094856), (588, 1089270), (630, 1016652), (637, 1005480), (665, 963144), (684, 936390), (686, 933660), (702, 912380), (728, 879795), (735, 871416), (741, 864360), (756, 847210), (760, 842751), (780, 821142), (798, 802620), (819, 782040), (840, 762489), (855, 749112), (882, 726180), (910, 703836), (931, 687960), (936, 684285), (945, 677768), (980, 653562), (988, 648270), (1026, 624260), (1029, 622440), (1064, 601965), (1080, 593047), (1092, 586530), (1140, 561834), (1170, 547428), (1176, 544635), (1197, 535080), (1235, 518616), (1260, 508326), (1274, 502740), (1323, 484120), (1330, 481572), (1365, 469224), (1368, 468195), (1372, 466830), (1404, 456190), (1470, 435708), (1482, 432180), (1512, 423605), (1560, 410571), (1596, 401310), (1638, 391020), (1710, 374556), (1715, 373464), (1729, 370440), (1755, 364952), (1764, 363090), (1820, 351918), (1862, 343980), (1890, 338884), (1911, 335160), (1960, 326781), (1976, 324135), (1995, 321048), (2052, 312130), (2058, 311220), (2184, 293265), (2205, 290472), (2223, 288120), (2280, 280917), (2340, 273714), (2394, 267540), (2401, 266760), (2457, 260680), (2470, 259308), (2520, 254163), (2548, 251370), (2565, 249704), (2646, 242060), (2660, 240786), (2730, 234612), (2744, 233415), (2793, 229320), (2808, 228095), (2940, 217854), (2964, 216090), (3087, 207480), (3185, 201096), (3192, 200655), (3276, 195510), (3420, 187278), (3430, 186732), (3458, 185220), (3510, 182476), (3528, 181545), (3591, 178360), (3640, 175959), (3705, 172872), (3724, 171990), (3780, 169442), (3822, 167580), (3990, 160524), (4095, 156408), (4104, 156065), (4116, 155610), (4410, 145236), (4446, 144060), (4459, 143640), (4655, 137592), (4680, 136857), (4788, 133770), (4802, 133380), (4914, 130340), (4940, 129654), (5096, 125685), (5130, 124852), (5145, 124488), (5187, 123480), (5292, 121030), (5320, 120393), (5460, 117306), (5586, 114660), (5733, 111720), (5880, 108927), (5928, 108045), (5985, 107016), (6174, 103740), (6370, 100548), (6517, 98280), (6552, 97755), (6615, 96824), (6669, 96040), (6840, 93639), (6860, 93366), (6916, 92610), (7020, 91238), (7182, 89180), (7203, 88920), (7410, 86436), (7448, 85995), (7560, 84721), (7644, 83790), (7980, 80262), (8190, 78204), (8232, 77805), (8379, 76440), (8645, 74088), (8820, 72618), (8892, 72030), (8918, 71820), (9261, 69160), (9310, 68796), (9555, 67032), (9576, 66885), (9604, 66690), (9828, 65170), (9880, 64827), (10260, 62426), (10290, 62244), (10374, 61740), (10584, 60515), (10920, 58653), (11115, 57624), (11172, 57330), (11466, 55860), (11970, 53508), (12005, 53352), (12103, 52920), (12285, 52136), (12348, 51870), (12740, 50274), (13034, 49140), (13230, 48412), (13338, 48020), (13377, 47880), (13720, 46683), (13832, 46305), (13965, 45864), (14040, 45619), (14364, 44590), (14406, 44460), (14820, 43218), (15288, 41895), (15435, 41496), (15561, 41160), (15960, 40131), (16380, 39102), (16758, 38220), (17199, 37240), (17290, 37044), (17640, 36309), (17784, 36015), (17836, 35910), (17955, 35672), (18522, 34580), (18620, 34398), (19110, 33516), (19208, 33345), (19551, 32760), (19656, 32585), (20520, 31213), (20580, 31122), (20748, 30870), (21609, 29640), (22230, 28812), (22295, 28728), (22344, 28665), (22932, 27930), (23940, 26754), (24010, 26676), (24206, 26460), (24570, 26068), (24696, 25935), (25137, 25480)]