247991640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2337

約数の個数: 128

約数和(自身を含む): 812851200

約数和(自身を除く): 564859560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1846, 2130, 2239, 2769, 2840, 3692, 4260, 4478, 4615, 5538, 6717, 7384, 8520, 8956, 9230, 11076, 11195, 13434, 13845, 17912, 18460, 22152, 22390, 26868, 27690, 29107, 33585, 36920, 44780, 53736, 55380, 58214, 67170, 87321, 89560, 110760, 116428, 134340, 145535, 158969, 174642, 232856, 268680, 291070, 317938, 349284, 436605, 476907, 582140, 635876, 698568, 794845, 873210, 953814, 1164280, 1271752, 1589690, 1746420, 1907628, 2066597, 2384535, 3179380, 3492840, 3815256, 4133194, 4769070, 6199791, 6358760, 8266388, 9538140, 10332985, 12399582, 16532776, 19076280, 20665970, 24799164, 30998955, 41331940, 49598328, 61997910, 82663880, 123995820, 247991640]

約数ペア:

[(1, 247991640), (2, 123995820), (3, 82663880), (4, 61997910), (5, 49598328), (6, 41331940), (8, 30998955), (10, 24799164), (12, 20665970), (13, 19076280), (15, 16532776), (20, 12399582), (24, 10332985), (26, 9538140), (30, 8266388), (39, 6358760), (40, 6199791), (52, 4769070), (60, 4133194), (65, 3815256), (71, 3492840), (78, 3179380), (104, 2384535), (120, 2066597), (130, 1907628), (142, 1746420), (156, 1589690), (195, 1271752), (213, 1164280), (260, 953814), (284, 873210), (312, 794845), (355, 698568), (390, 635876), (426, 582140), (520, 476907), (568, 436605), (710, 349284), (780, 317938), (852, 291070), (923, 268680), (1065, 232856), (1420, 174642), (1560, 158969), (1704, 145535), (1846, 134340), (2130, 116428), (2239, 110760), (2769, 89560), (2840, 87321), (3692, 67170), (4260, 58214), (4478, 55380), (4615, 53736), (5538, 44780), (6717, 36920), (7384, 33585), (8520, 29107), (8956, 27690), (9230, 26868), (11076, 22390), (11195, 22152), (13434, 18460), (13845, 17912)]