640236480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 336

約数和(自身を含む): 2304373344

約数和(自身を除く): 1664136864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 61, 64, 65, 78, 80, 87, 96, 104, 116, 120, 122, 130, 145, 156, 160, 174, 183, 192, 195, 208, 232, 240, 244, 260, 290, 305, 312, 320, 348, 366, 377, 390, 416, 435, 464, 480, 488, 520, 580, 610, 624, 696, 732, 754, 780, 793, 832, 841, 870, 915, 928, 960, 976, 1040, 1131, 1160, 1220, 1248, 1392, 1464, 1508, 1560, 1586, 1682, 1740, 1769, 1830, 1856, 1885, 1952, 2080, 2262, 2320, 2379, 2440, 2496, 2523, 2784, 2928, 3016, 3120, 3172, 3364, 3480, 3538, 3660, 3770, 3904, 3965, 4160, 4205, 4524, 4640, 4758, 4880, 5046, 5307, 5568, 5655, 5856, 6032, 6240, 6344, 6728, 6960, 7076, 7320, 7540, 7930, 8410, 8845, 9048, 9280, 9516, 9760, 10092, 10614, 10933, 11310, 11712, 11895, 12064, 12480, 12615, 12688, 13456, 13920, 14152, 14640, 15080, 15860, 16820, 17690, 18096, 19032, 19520, 20184, 21228, 21866, 22620, 22997, 23790, 24128, 25230, 25376, 26535, 26912, 27840, 28304, 29280, 30160, 31720, 32799, 33640, 35380, 36192, 38064, 40368, 42456, 43732, 45240, 45994, 47580, 50460, 50752, 51301, 53070, 53824, 54665, 56608, 58560, 60320, 63440, 65598, 67280, 68991, 70760, 72384, 76128, 80736, 84912, 87464, 90480, 91988, 95160, 100920, 102602, 106140, 109330, 113216, 114985, 120640, 126880, 131196, 134560, 137982, 141520, 152256, 153903, 161472, 163995, 169824, 174928, 180960, 183976, 190320, 201840, 205204, 212280, 218660, 229970, 253760, 256505, 262392, 269120, 275964, 283040, 307806, 327990, 339648, 344955, 349856, 361920, 367952, 380640, 403680, 410408, 424560, 437320, 459940, 513010, 524784, 551928, 566080, 615612, 655980, 666913, 689910, 699712, 735904, 761280, 769515, 807360, 820816, 849120, 874640, 919880, 1026020, 1049568, 1103856, 1231224, 1311960, 1333826, 1379820, 1471808, 1539030, 1641632, 1698240, 1749280, 1839760, 2000739, 2052040, 2099136, 2207712, 2462448, 2623920, 2667652, 2759640, 3078060, 3283264, 3334565, 3498560, 3679520, 4001478, 4104080, 4415424, 4924896, 5247840, 5335304, 5519280, 6156120, 6669130, 7359040, 8002956, 8208160, 9849792, 10003695, 10495680, 10670608, 11038560, 12312240, 13338260, 16005912, 16416320, 20007390, 21341216, 22077120, 24624480, 26676520, 32011824, 40014780, 42682432, 49248960, 53353040, 64023648, 80029560, 106706080, 128047296, 160059120, 213412160, 320118240, 640236480]

約数ペア:

[(1, 640236480), (2, 320118240), (3, 213412160), (4, 160059120), (5, 128047296), (6, 106706080), (8, 80029560), (10, 64023648), (12, 53353040), (13, 49248960), (15, 42682432), (16, 40014780), (20, 32011824), (24, 26676520), (26, 24624480), (29, 22077120), (30, 21341216), (32, 20007390), (39, 16416320), (40, 16005912), (48, 13338260), (52, 12312240), (58, 11038560), (60, 10670608), (61, 10495680), (64, 10003695), (65, 9849792), (78, 8208160), (80, 8002956), (87, 7359040), (96, 6669130), (104, 6156120), (116, 5519280), (120, 5335304), (122, 5247840), (130, 4924896), (145, 4415424), (156, 4104080), (160, 4001478), (174, 3679520), (183, 3498560), (192, 3334565), (195, 3283264), (208, 3078060), (232, 2759640), (240, 2667652), (244, 2623920), (260, 2462448), (290, 2207712), (305, 2099136), (312, 2052040), (320, 2000739), (348, 1839760), (366, 1749280), (377, 1698240), (390, 1641632), (416, 1539030), (435, 1471808), (464, 1379820), (480, 1333826), (488, 1311960), (520, 1231224), (580, 1103856), (610, 1049568), (624, 1026020), (696, 919880), (732, 874640), (754, 849120), (780, 820816), (793, 807360), (832, 769515), (841, 761280), (870, 735904), (915, 699712), (928, 689910), (960, 666913), (976, 655980), (1040, 615612), (1131, 566080), (1160, 551928), (1220, 524784), (1248, 513010), (1392, 459940), (1464, 437320), (1508, 424560), (1560, 410408), (1586, 403680), (1682, 380640), (1740, 367952), (1769, 361920), (1830, 349856), (1856, 344955), (1885, 339648), (1952, 327990), (2080, 307806), (2262, 283040), (2320, 275964), (2379, 269120), (2440, 262392), (2496, 256505), (2523, 253760), (2784, 229970), (2928, 218660), (3016, 212280), (3120, 205204), (3172, 201840), (3364, 190320), (3480, 183976), (3538, 180960), (3660, 174928), (3770, 169824), (3904, 163995), (3965, 161472), (4160, 153903), (4205, 152256), (4524, 141520), (4640, 137982), (4758, 134560), (4880, 131196), (5046, 126880), (5307, 120640), (5568, 114985), (5655, 113216), (5856, 109330), (6032, 106140), (6240, 102602), (6344, 100920), (6728, 95160), (6960, 91988), (7076, 90480), (7320, 87464), (7540, 84912), (7930, 80736), (8410, 76128), (8845, 72384), (9048, 70760), (9280, 68991), (9516, 67280), (9760, 65598), (10092, 63440), (10614, 60320), (10933, 58560), (11310, 56608), (11712, 54665), (11895, 53824), (12064, 53070), (12480, 51301), (12615, 50752), (12688, 50460), (13456, 47580), (13920, 45994), (14152, 45240), (14640, 43732), (15080, 42456), (15860, 40368), (16820, 38064), (17690, 36192), (18096, 35380), (19032, 33640), (19520, 32799), (20184, 31720), (21228, 30160), (21866, 29280), (22620, 28304), (22997, 27840), (23790, 26912), (24128, 26535), (25230, 25376)]