120761680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1399}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 306230400

約数和(自身を除く): 185468720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 260, 332, 415, 520, 664, 830, 1040, 1079, 1328, 1399, 1660, 2158, 2798, 3320, 4316, 5395, 5596, 6640, 6995, 8632, 10790, 11192, 13990, 17264, 18187, 21580, 22384, 27980, 36374, 43160, 55960, 72748, 86320, 90935, 111920, 116117, 145496, 181870, 232234, 290992, 363740, 464468, 580585, 727480, 928936, 1161170, 1454960, 1509521, 1857872, 2322340, 3019042, 4644680, 6038084, 7547605, 9289360, 12076168, 15095210, 24152336, 30190420, 60380840, 120761680]

約数ペア:

[(1, 120761680), (2, 60380840), (4, 30190420), (5, 24152336), (8, 15095210), (10, 12076168), (13, 9289360), (16, 7547605), (20, 6038084), (26, 4644680), (40, 3019042), (52, 2322340), (65, 1857872), (80, 1509521), (83, 1454960), (104, 1161170), (130, 928936), (166, 727480), (208, 580585), (260, 464468), (332, 363740), (415, 290992), (520, 232234), (664, 181870), (830, 145496), (1040, 116117), (1079, 111920), (1328, 90935), (1399, 86320), (1660, 72748), (2158, 55960), (2798, 43160), (3320, 36374), (4316, 27980), (5395, 22384), (5596, 21580), (6640, 18187), (6995, 17264), (8632, 13990), (10790, 11192)]