51631320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1489

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 122551080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1439, 1495, 1560, 1794, 2392, 2760, 2878, 2990, 3588, 4317, 4485, 5756, 5980, 7176, 7195, 8634, 8970, 11512, 11960, 14390, 17268, 17940, 18707, 21585, 28780, 33097, 34536, 35880, 37414, 43170, 56121, 57560, 66194, 74828, 86340, 93535, 99291, 112242, 132388, 149656, 165485, 172680, 187070, 198582, 224484, 264776, 280605, 330970, 374140, 397164, 430261, 448968, 496455, 561210, 661940, 748280, 794328, 860522, 992910, 1122420, 1290783, 1323880, 1721044, 1985820, 2151305, 2244840, 2581566, 3442088, 3971640, 4302610, 5163132, 6453915, 8605220, 10326264, 12907830, 17210440, 25815660, 51631320]

約数ペア:

[(1, 51631320), (2, 25815660), (3, 17210440), (4, 12907830), (5, 10326264), (6, 8605220), (8, 6453915), (10, 5163132), (12, 4302610), (13, 3971640), (15, 3442088), (20, 2581566), (23, 2244840), (24, 2151305), (26, 1985820), (30, 1721044), (39, 1323880), (40, 1290783), (46, 1122420), (52, 992910), (60, 860522), (65, 794328), (69, 748280), (78, 661940), (92, 561210), (104, 496455), (115, 448968), (120, 430261), (130, 397164), (138, 374140), (156, 330970), (184, 280605), (195, 264776), (230, 224484), (260, 198582), (276, 187070), (299, 172680), (312, 165485), (345, 149656), (390, 132388), (460, 112242), (520, 99291), (552, 93535), (598, 86340), (690, 74828), (780, 66194), (897, 57560), (920, 56121), (1196, 43170), (1380, 37414), (1439, 35880), (1495, 34536), (1560, 33097), (1794, 28780), (2392, 21585), (2760, 18707), (2878, 17940), (2990, 17268), (3588, 14390), (4317, 11960), (4485, 11512), (5756, 8970), (5980, 8634), (7176, 7195)]