179631920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2081}}^1$

素因数の和:2190

約数の個数: 80

約数和(自身を含む): 455408352

約数和(自身を除く): 275776432

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, 1660, 2081, 2158, 3320, 4162, 4316, 5395, 6640, 8324, 8632, 10405, 10790, 16648, 17264, 20810, 21580, 27053, 33296, 41620, 43160, 54106, 83240, 86320, 108212, 135265, 166480, 172723, 216424, 270530, 345446, 432848, 541060, 690892, 863615, 1082120, 1381784, 1727230, 2164240, 2245399, 2763568, 3454460, 4490798, 6908920, 8981596, 11226995, 13817840, 17963192, 22453990, 35926384, 44907980, 89815960, 179631920]

約数ペア:

[(1, 179631920), (2, 89815960), (4, 44907980), (5, 35926384), (8, 22453990), (10, 17963192), (13, 13817840), (16, 11226995), (20, 8981596), (26, 6908920), (40, 4490798), (52, 3454460), (65, 2763568), (80, 2245399), (83, 2164240), (104, 1727230), (130, 1381784), (166, 1082120), (208, 863615), (260, 690892), (332, 541060), (415, 432848), (520, 345446), (664, 270530), (830, 216424), (1040, 172723), (1079, 166480), (1328, 135265), (1660, 108212), (2081, 86320), (2158, 83240), (3320, 54106), (4162, 43160), (4316, 41620), (5395, 33296), (6640, 27053), (8324, 21580), (8632, 20810), (10405, 17264), (10790, 16648)]