490482720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:257

約数の個数: 576

約数和(自身を含む): 2179457280

約数和(自身を除く): 1688974560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24, 26, 28, 30, 32, 35, 36, 38, 39, 40, 42, 45, 48, 52, 56, 57, 60, 63, 65, 70, 72, 76, 78, 80, 84, 90, 91, 95, 96, 104, 105, 112, 114, 117, 120, 126, 130, 133, 140, 144, 152, 156, 160, 168, 171, 180, 182, 190, 195, 197, 208, 210, 224, 228, 234, 240, 247, 252, 260, 266, 273, 280, 285, 288, 304, 312, 315, 336, 342, 360, 364, 380, 390, 394, 399, 416, 420, 455, 456, 468, 480, 494, 504, 520, 532, 546, 560, 570, 585, 591, 608, 624, 630, 665, 672, 684, 720, 728, 741, 760, 780, 788, 798, 819, 840, 855, 910, 912, 936, 985, 988, 1008, 1040, 1064, 1092, 1120, 1140, 1170, 1182, 1197, 1235, 1248, 1260, 1330, 1365, 1368, 1379, 1440, 1456, 1482, 1520, 1560, 1576, 1596, 1638, 1680, 1710, 1729, 1773, 1820, 1824, 1872, 1970, 1976, 1995, 2016, 2080, 2128, 2184, 2223, 2280, 2340, 2364, 2394, 2470, 2520, 2561, 2660, 2730, 2736, 2758, 2912, 2955, 2964, 3040, 3120, 3152, 3192, 3276, 3360, 3420, 3458, 3546, 3640, 3705, 3743, 3744, 3940, 3952, 3990, 4095, 4137, 4256, 4368, 4446, 4560, 4680, 4728, 4788, 4940, 5040, 5122, 5187, 5320, 5460, 5472, 5516, 5910, 5928, 5985, 6240, 6304, 6384, 6552, 6840, 6895, 6916, 7092, 7280, 7410, 7486, 7683, 7880, 7904, 7980, 8190, 8274, 8645, 8736, 8865, 8892, 9120, 9360, 9456, 9576, 9880, 10080, 10244, 10374, 10640, 10920, 11032, 11115, 11229, 11820, 11856, 11970, 12411, 12768, 12805, 13104, 13680, 13790, 13832, 14184, 14560, 14820, 14972, 15366, 15561, 15760, 15960, 16380, 16548, 17290, 17730, 17784, 17927, 18715, 18720, 18912, 19152, 19760, 20488, 20685, 20748, 21280, 21840, 22064, 22230, 22458, 23049, 23640, 23712, 23940, 24822, 25610, 25935, 26201, 26208, 27360, 27580, 27664, 28368, 29640, 29944, 30732, 31122, 31520, 31920, 32760, 33096, 33687, 34580, 35460, 35568, 35854, 37430, 38304, 38415, 39520, 40976, 41370, 41496, 43680, 44128, 44460, 44916, 46098, 47280, 47880, 48659, 49644, 51220, 51870, 52402, 53781, 55160, 55328, 56145, 56736, 59280, 59888, 61464, 62055, 62244, 63840, 65520, 66192, 67374, 69160, 70920, 71136, 71708, 74860, 76830, 77805, 78603, 81952, 82740, 82992, 88920, 89635, 89832, 92196, 94560, 95760, 97318, 99288, 102440, 103740, 104804, 107562, 110320, 112290, 115245, 118560, 119776, 122928, 124110, 124488, 131005, 131040, 132384, 134748, 138320, 141840, 143416, 145977, 149720, 153660, 155610, 157206, 161343, 165480, 165984, 168435, 177840, 179270, 179664, 184392, 191520, 194636, 198576, 204880, 207480, 209608, 215124, 220640, 224580, 230490, 235809, 243295, 245856, 248220, 248976, 262010, 268905, 269496, 276640, 283680, 286832, 291954, 299440, 307320, 311220, 314412, 322686, 330960, 336870, 340613, 355680, 358540, 359328, 368784, 389272, 393015, 397152, 409760, 414960, 419216, 430248, 437931, 449160, 460980, 471618, 486590, 496440, 497952, 524020, 537810, 538992, 573664, 583908, 598880, 614640, 622440, 628824, 645372, 661920, 673740, 681226, 717080, 729885, 737568, 778544, 786030, 806715, 829920, 838432, 860496, 875862, 898320, 921960, 943236, 973180, 992880, 1021839, 1048040, 1075620, 1077984, 1167816, 1179045, 1229280, 1244880, 1257648, 1290744, 1347480, 1362452, 1434160, 1459770, 1557088, 1572060, 1613430, 1703065, 1720992, 1751724, 1796640, 1843920, 1886472, 1946360, 1985760, 2043678, 2096080, 2151240, 2189655, 2335632, 2358090, 2489760, 2515296, 2581488, 2694960, 2724904, 2868320, 2919540, 3065517, 3144120, 3226860, 3406130, 3503448, 3687840, 3772944, 3892720, 4087356, 4192160, 4302480, 4379310, 4671264, 4716180, 5109195, 5162976, 5389920, 5449808, 5839080, 6131034, 6288240, 6453720, 6812260, 7006896, 7545888, 7785440, 8174712, 8604960, 8758620, 9432360, 10218390, 10899616, 11678160, 12262068, 12576480, 12907440, 13624520, 14013792, 15327585, 16349424, 17517240, 18864720, 20436780, 23356320, 24524136, 25814880, 27249040, 30655170, 32698848, 35034480, 37729440, 40873560, 49048272, 54498080, 61310340, 70068960, 81747120, 98096544, 122620680, 163494240, 245241360, 490482720]

約数ペア:

[(1, 490482720), (2, 245241360), (3, 163494240), (4, 122620680), (5, 98096544), (6, 81747120), (7, 70068960), (8, 61310340), (9, 54498080), (10, 49048272), (12, 40873560), (13, 37729440), (14, 35034480), (15, 32698848), (16, 30655170), (18, 27249040), (19, 25814880), (20, 24524136), (21, 23356320), (24, 20436780), (26, 18864720), (28, 17517240), (30, 16349424), (32, 15327585), (35, 14013792), (36, 13624520), (38, 12907440), (39, 12576480), (40, 12262068), (42, 11678160), (45, 10899616), (48, 10218390), (52, 9432360), (56, 8758620), (57, 8604960), (60, 8174712), (63, 7785440), (65, 7545888), (70, 7006896), (72, 6812260), (76, 6453720), (78, 6288240), (80, 6131034), (84, 5839080), (90, 5449808), (91, 5389920), (95, 5162976), (96, 5109195), (104, 4716180), (105, 4671264), (112, 4379310), (114, 4302480), (117, 4192160), (120, 4087356), (126, 3892720), (130, 3772944), (133, 3687840), (140, 3503448), (144, 3406130), (152, 3226860), (156, 3144120), (160, 3065517), (168, 2919540), (171, 2868320), (180, 2724904), (182, 2694960), (190, 2581488), (195, 2515296), (197, 2489760), (208, 2358090), (210, 2335632), (224, 2189655), (228, 2151240), (234, 2096080), (240, 2043678), (247, 1985760), (252, 1946360), (260, 1886472), (266, 1843920), (273, 1796640), (280, 1751724), (285, 1720992), (288, 1703065), (304, 1613430), (312, 1572060), (315, 1557088), (336, 1459770), (342, 1434160), (360, 1362452), (364, 1347480), (380, 1290744), (390, 1257648), (394, 1244880), (399, 1229280), (416, 1179045), (420, 1167816), (455, 1077984), (456, 1075620), (468, 1048040), (480, 1021839), (494, 992880), (504, 973180), (520, 943236), (532, 921960), (546, 898320), (560, 875862), (570, 860496), (585, 838432), (591, 829920), (608, 806715), (624, 786030), (630, 778544), (665, 737568), (672, 729885), (684, 717080), (720, 681226), (728, 673740), (741, 661920), (760, 645372), (780, 628824), (788, 622440), (798, 614640), (819, 598880), (840, 583908), (855, 573664), (910, 538992), (912, 537810), (936, 524020), (985, 497952), (988, 496440), (1008, 486590), (1040, 471618), (1064, 460980), (1092, 449160), (1120, 437931), (1140, 430248), (1170, 419216), (1182, 414960), (1197, 409760), (1235, 397152), (1248, 393015), (1260, 389272), (1330, 368784), (1365, 359328), (1368, 358540), (1379, 355680), (1440, 340613), (1456, 336870), (1482, 330960), (1520, 322686), (1560, 314412), (1576, 311220), (1596, 307320), (1638, 299440), (1680, 291954), (1710, 286832), (1729, 283680), (1773, 276640), (1820, 269496), (1824, 268905), (1872, 262010), (1970, 248976), (1976, 248220), (1995, 245856), (2016, 243295), (2080, 235809), (2128, 230490), (2184, 224580), (2223, 220640), (2280, 215124), (2340, 209608), (2364, 207480), (2394, 204880), (2470, 198576), (2520, 194636), (2561, 191520), (2660, 184392), (2730, 179664), (2736, 179270), (2758, 177840), (2912, 168435), (2955, 165984), (2964, 165480), (3040, 161343), (3120, 157206), (3152, 155610), (3192, 153660), (3276, 149720), (3360, 145977), (3420, 143416), (3458, 141840), (3546, 138320), (3640, 134748), (3705, 132384), (3743, 131040), (3744, 131005), (3940, 124488), (3952, 124110), (3990, 122928), (4095, 119776), (4137, 118560), (4256, 115245), (4368, 112290), (4446, 110320), (4560, 107562), (4680, 104804), (4728, 103740), (4788, 102440), (4940, 99288), (5040, 97318), (5122, 95760), (5187, 94560), (5320, 92196), (5460, 89832), (5472, 89635), (5516, 88920), (5910, 82992), (5928, 82740), (5985, 81952), (6240, 78603), (6304, 77805), (6384, 76830), (6552, 74860), (6840, 71708), (6895, 71136), (6916, 70920), (7092, 69160), (7280, 67374), (7410, 66192), (7486, 65520), (7683, 63840), (7880, 62244), (7904, 62055), (7980, 61464), (8190, 59888), (8274, 59280), (8645, 56736), (8736, 56145), (8865, 55328), (8892, 55160), (9120, 53781), (9360, 52402), (9456, 51870), (9576, 51220), (9880, 49644), (10080, 48659), (10244, 47880), (10374, 47280), (10640, 46098), (10920, 44916), (11032, 44460), (11115, 44128), (11229, 43680), (11820, 41496), (11856, 41370), (11970, 40976), (12411, 39520), (12768, 38415), (12805, 38304), (13104, 37430), (13680, 35854), (13790, 35568), (13832, 35460), (14184, 34580), (14560, 33687), (14820, 33096), (14972, 32760), (15366, 31920), (15561, 31520), (15760, 31122), (15960, 30732), (16380, 29944), (16548, 29640), (17290, 28368), (17730, 27664), (17784, 27580), (17927, 27360), (18715, 26208), (18720, 26201), (18912, 25935), (19152, 25610), (19760, 24822), (20488, 23940), (20685, 23712), (20748, 23640), (21280, 23049), (21840, 22458), (22064, 22230)]