31456880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 93744000

約数和(自身を除く): 62287120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 149, 182, 203, 208, 232, 260, 280, 290, 298, 364, 377, 406, 455, 464, 520, 560, 580, 596, 728, 745, 754, 812, 910, 1015, 1040, 1043, 1160, 1192, 1456, 1490, 1508, 1624, 1820, 1885, 1937, 2030, 2086, 2320, 2384, 2639, 2980, 3016, 3248, 3640, 3770, 3874, 4060, 4172, 4321, 5215, 5278, 5960, 6032, 7280, 7540, 7748, 8120, 8344, 8642, 9685, 10430, 10556, 11920, 13195, 13559, 15080, 15496, 16240, 16688, 17284, 19370, 20860, 21112, 21605, 26390, 27118, 30160, 30247, 30992, 34568, 38740, 41720, 42224, 43210, 52780, 54236, 56173, 60494, 67795, 69136, 77480, 83440, 86420, 105560, 108472, 112346, 120988, 135590, 151235, 154960, 172840, 211120, 216944, 224692, 241976, 271180, 280865, 302470, 345680, 393211, 449384, 483952, 542360, 561730, 604940, 786422, 898768, 1084720, 1123460, 1209880, 1572844, 1966055, 2246920, 2419760, 3145688, 3932110, 4493840, 6291376, 7864220, 15728440, 31456880]

約数ペア:

[(1, 31456880), (2, 15728440), (4, 7864220), (5, 6291376), (7, 4493840), (8, 3932110), (10, 3145688), (13, 2419760), (14, 2246920), (16, 1966055), (20, 1572844), (26, 1209880), (28, 1123460), (29, 1084720), (35, 898768), (40, 786422), (52, 604940), (56, 561730), (58, 542360), (65, 483952), (70, 449384), (80, 393211), (91, 345680), (104, 302470), (112, 280865), (116, 271180), (130, 241976), (140, 224692), (145, 216944), (149, 211120), (182, 172840), (203, 154960), (208, 151235), (232, 135590), (260, 120988), (280, 112346), (290, 108472), (298, 105560), (364, 86420), (377, 83440), (406, 77480), (455, 69136), (464, 67795), (520, 60494), (560, 56173), (580, 54236), (596, 52780), (728, 43210), (745, 42224), (754, 41720), (812, 38740), (910, 34568), (1015, 30992), (1040, 30247), (1043, 30160), (1160, 27118), (1192, 26390), (1456, 21605), (1490, 21112), (1508, 20860), (1624, 19370), (1820, 17284), (1885, 16688), (1937, 16240), (2030, 15496), (2086, 15080), (2320, 13559), (2384, 13195), (2639, 11920), (2980, 10556), (3016, 10430), (3248, 9685), (3640, 8642), (3770, 8344), (3874, 8120), (4060, 7748), (4172, 7540), (4321, 7280), (5215, 6032), (5278, 5960)]