640425240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 384

約数和(自身を含む): 2599309440

約数和(自身を除く): 1958884200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 113, 117, 120, 126, 130, 140, 156, 168, 173, 180, 182, 195, 210, 226, 234, 252, 260, 273, 280, 312, 315, 339, 346, 360, 364, 390, 420, 452, 455, 468, 504, 519, 520, 546, 565, 585, 630, 678, 692, 728, 780, 791, 819, 840, 865, 904, 910, 936, 1017, 1038, 1092, 1130, 1170, 1211, 1260, 1356, 1365, 1384, 1469, 1557, 1560, 1582, 1638, 1695, 1730, 1820, 2034, 2076, 2184, 2249, 2260, 2340, 2373, 2422, 2520, 2595, 2712, 2730, 2938, 3114, 3164, 3276, 3390, 3460, 3633, 3640, 3955, 4068, 4095, 4152, 4407, 4498, 4520, 4680, 4746, 4844, 5085, 5190, 5460, 5876, 6055, 6228, 6328, 6552, 6747, 6780, 6920, 7119, 7266, 7345, 7785, 7910, 8136, 8190, 8814, 8996, 9492, 9688, 10170, 10283, 10380, 10899, 10920, 11245, 11752, 11865, 12110, 12456, 13221, 13494, 13560, 14238, 14532, 14690, 15570, 15743, 15820, 16380, 17628, 17992, 18165, 18984, 19549, 20241, 20340, 20566, 20760, 21798, 22035, 22490, 23730, 24220, 26442, 26988, 28476, 29064, 29380, 30849, 31140, 31486, 31640, 32760, 33735, 35256, 35595, 36330, 39098, 40482, 40680, 41132, 43596, 44070, 44980, 47229, 47460, 48440, 51415, 52884, 53976, 54495, 56952, 58647, 58760, 61698, 62280, 62972, 66105, 67470, 71190, 72660, 78196, 78715, 80964, 82264, 87192, 88140, 89960, 92547, 94458, 94920, 97745, 101205, 102830, 105768, 108990, 117294, 123396, 125944, 132210, 134940, 136843, 141687, 142380, 145320, 154245, 156392, 157430, 161928, 175941, 176280, 185094, 188916, 195490, 202410, 205660, 217980, 234588, 236145, 246792, 254137, 264420, 269880, 273686, 283374, 284760, 293235, 308490, 314860, 351882, 370188, 377832, 390980, 404820, 410529, 411320, 435960, 462735, 469176, 472290, 508274, 528840, 547372, 566748, 586470, 616980, 629720, 684215, 703764, 708435, 740376, 762411, 781960, 809640, 821058, 879705, 925470, 944580, 1016548, 1094744, 1133496, 1172940, 1231587, 1233960, 1270685, 1368430, 1407528, 1416870, 1524822, 1642116, 1759410, 1778959, 1850940, 1889160, 2033096, 2052645, 2287233, 2345880, 2463174, 2541370, 2736860, 2833740, 3049644, 3284232, 3518820, 3557918, 3701880, 3812055, 4105290, 4574466, 4926348, 5082740, 5336877, 5473720, 5667480, 6099288, 6157935, 7037640, 7115836, 7624110, 8210580, 8894795, 9148932, 9852696, 10165480, 10673754, 11436165, 12315870, 14231672, 15248220, 16010631, 16421160, 17789590, 18297864, 21347508, 22872330, 24631740, 26684385, 30496440, 32021262, 35579180, 42695016, 45744660, 49263480, 53368770, 64042524, 71158360, 80053155, 91489320, 106737540, 128085048, 160106310, 213475080, 320212620, 640425240]

約数ペア:

[(1, 640425240), (2, 320212620), (3, 213475080), (4, 160106310), (5, 128085048), (6, 106737540), (7, 91489320), (8, 80053155), (9, 71158360), (10, 64042524), (12, 53368770), (13, 49263480), (14, 45744660), (15, 42695016), (18, 35579180), (20, 32021262), (21, 30496440), (24, 26684385), (26, 24631740), (28, 22872330), (30, 21347508), (35, 18297864), (36, 17789590), (39, 16421160), (40, 16010631), (42, 15248220), (45, 14231672), (52, 12315870), (56, 11436165), (60, 10673754), (63, 10165480), (65, 9852696), (70, 9148932), (72, 8894795), (78, 8210580), (84, 7624110), (90, 7115836), (91, 7037640), (104, 6157935), (105, 6099288), (113, 5667480), (117, 5473720), (120, 5336877), (126, 5082740), (130, 4926348), (140, 4574466), (156, 4105290), (168, 3812055), (173, 3701880), (180, 3557918), (182, 3518820), (195, 3284232), (210, 3049644), (226, 2833740), (234, 2736860), (252, 2541370), (260, 2463174), (273, 2345880), (280, 2287233), (312, 2052645), (315, 2033096), (339, 1889160), (346, 1850940), (360, 1778959), (364, 1759410), (390, 1642116), (420, 1524822), (452, 1416870), (455, 1407528), (468, 1368430), (504, 1270685), (519, 1233960), (520, 1231587), (546, 1172940), (565, 1133496), (585, 1094744), (630, 1016548), (678, 944580), (692, 925470), (728, 879705), (780, 821058), (791, 809640), (819, 781960), (840, 762411), (865, 740376), (904, 708435), (910, 703764), (936, 684215), (1017, 629720), (1038, 616980), (1092, 586470), (1130, 566748), (1170, 547372), (1211, 528840), (1260, 508274), (1356, 472290), (1365, 469176), (1384, 462735), (1469, 435960), (1557, 411320), (1560, 410529), (1582, 404820), (1638, 390980), (1695, 377832), (1730, 370188), (1820, 351882), (2034, 314860), (2076, 308490), (2184, 293235), (2249, 284760), (2260, 283374), (2340, 273686), (2373, 269880), (2422, 264420), (2520, 254137), (2595, 246792), (2712, 236145), (2730, 234588), (2938, 217980), (3114, 205660), (3164, 202410), (3276, 195490), (3390, 188916), (3460, 185094), (3633, 176280), (3640, 175941), (3955, 161928), (4068, 157430), (4095, 156392), (4152, 154245), (4407, 145320), (4498, 142380), (4520, 141687), (4680, 136843), (4746, 134940), (4844, 132210), (5085, 125944), (5190, 123396), (5460, 117294), (5876, 108990), (6055, 105768), (6228, 102830), (6328, 101205), (6552, 97745), (6747, 94920), (6780, 94458), (6920, 92547), (7119, 89960), (7266, 88140), (7345, 87192), (7785, 82264), (7910, 80964), (8136, 78715), (8190, 78196), (8814, 72660), (8996, 71190), (9492, 67470), (9688, 66105), (10170, 62972), (10283, 62280), (10380, 61698), (10899, 58760), (10920, 58647), (11245, 56952), (11752, 54495), (11865, 53976), (12110, 52884), (12456, 51415), (13221, 48440), (13494, 47460), (13560, 47229), (14238, 44980), (14532, 44070), (14690, 43596), (15570, 41132), (15743, 40680), (15820, 40482), (16380, 39098), (17628, 36330), (17992, 35595), (18165, 35256), (18984, 33735), (19549, 32760), (20241, 31640), (20340, 31486), (20566, 31140), (20760, 30849), (21798, 29380), (22035, 29064), (22490, 28476), (23730, 26988), (24220, 26442)]