647257680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 240

約数和(自身を含む): 2295281664

約数和(自身を除く): 1648023984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 47, 48, 60, 62, 72, 80, 90, 93, 94, 120, 124, 141, 144, 155, 180, 186, 188, 235, 240, 248, 279, 282, 310, 360, 372, 376, 423, 465, 470, 496, 558, 564, 617, 620, 705, 720, 744, 752, 846, 930, 940, 1116, 1128, 1234, 1240, 1395, 1410, 1457, 1488, 1692, 1851, 1860, 1880, 2115, 2232, 2256, 2468, 2480, 2790, 2820, 2914, 3085, 3384, 3702, 3720, 3760, 4230, 4371, 4464, 4936, 5553, 5580, 5640, 5828, 6170, 6768, 7285, 7404, 7440, 8460, 8742, 9255, 9872, 11106, 11160, 11280, 11656, 12340, 13113, 14570, 14808, 16920, 17484, 18510, 19127, 21855, 22212, 22320, 23312, 24680, 26226, 27765, 28999, 29140, 29616, 33840, 34968, 37020, 38254, 43710, 44424, 49360, 52452, 55530, 57381, 57998, 58280, 65565, 69936, 74040, 76508, 86997, 87420, 88848, 95635, 104904, 111060, 114762, 115996, 116560, 131130, 144995, 148080, 153016, 172143, 173994, 174840, 191270, 209808, 222120, 229524, 231992, 260991, 262260, 286905, 289990, 306032, 344286, 347988, 349680, 382540, 434985, 444240, 459048, 463984, 521982, 524520, 573810, 579980, 688572, 695976, 765080, 860715, 869970, 898969, 918096, 1043964, 1049040, 1147620, 1159960, 1304955, 1377144, 1391952, 1530160, 1721430, 1739940, 1797938, 2087928, 2295240, 2319920, 2609910, 2696907, 2754288, 3442860, 3479880, 3595876, 4175856, 4494845, 4590480, 5219820, 5393814, 6885720, 6959760, 7191752, 8090721, 8989690, 10439640, 10787628, 13484535, 13771440, 14383504, 16181442, 17979380, 20879280, 21575256, 26969070, 32362884, 35958760, 40453605, 43150512, 53938140, 64725768, 71917520, 80907210, 107876280, 129451536, 161814420, 215752560, 323628840, 647257680]

約数ペア:

[(1, 647257680), (2, 323628840), (3, 215752560), (4, 161814420), (5, 129451536), (6, 107876280), (8, 80907210), (9, 71917520), (10, 64725768), (12, 53938140), (15, 43150512), (16, 40453605), (18, 35958760), (20, 32362884), (24, 26969070), (30, 21575256), (31, 20879280), (36, 17979380), (40, 16181442), (45, 14383504), (47, 13771440), (48, 13484535), (60, 10787628), (62, 10439640), (72, 8989690), (80, 8090721), (90, 7191752), (93, 6959760), (94, 6885720), (120, 5393814), (124, 5219820), (141, 4590480), (144, 4494845), (155, 4175856), (180, 3595876), (186, 3479880), (188, 3442860), (235, 2754288), (240, 2696907), (248, 2609910), (279, 2319920), (282, 2295240), (310, 2087928), (360, 1797938), (372, 1739940), (376, 1721430), (423, 1530160), (465, 1391952), (470, 1377144), (496, 1304955), (558, 1159960), (564, 1147620), (617, 1049040), (620, 1043964), (705, 918096), (720, 898969), (744, 869970), (752, 860715), (846, 765080), (930, 695976), (940, 688572), (1116, 579980), (1128, 573810), (1234, 524520), (1240, 521982), (1395, 463984), (1410, 459048), (1457, 444240), (1488, 434985), (1692, 382540), (1851, 349680), (1860, 347988), (1880, 344286), (2115, 306032), (2232, 289990), (2256, 286905), (2468, 262260), (2480, 260991), (2790, 231992), (2820, 229524), (2914, 222120), (3085, 209808), (3384, 191270), (3702, 174840), (3720, 173994), (3760, 172143), (4230, 153016), (4371, 148080), (4464, 144995), (4936, 131130), (5553, 116560), (5580, 115996), (5640, 114762), (5828, 111060), (6170, 104904), (6768, 95635), (7285, 88848), (7404, 87420), (7440, 86997), (8460, 76508), (8742, 74040), (9255, 69936), (9872, 65565), (11106, 58280), (11160, 57998), (11280, 57381), (11656, 55530), (12340, 52452), (13113, 49360), (14570, 44424), (14808, 43710), (16920, 38254), (17484, 37020), (18510, 34968), (19127, 33840), (21855, 29616), (22212, 29140), (22320, 28999), (23312, 27765), (24680, 26226)]