155874160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2330

約数の個数: 80

約数和(自身を含む): 396287136

約数和(自身を除く): 240412976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2237, 2680, 3484, 4355, 4474, 5360, 6968, 8710, 8948, 11185, 13936, 17420, 17896, 22370, 29081, 34840, 35792, 44740, 58162, 69680, 89480, 116324, 145405, 149879, 178960, 232648, 290810, 299758, 465296, 581620, 599516, 749395, 1163240, 1199032, 1498790, 1948427, 2326480, 2398064, 2997580, 3896854, 5995160, 7793708, 9742135, 11990320, 15587416, 19484270, 31174832, 38968540, 77937080, 155874160]

約数ペア:

[(1, 155874160), (2, 77937080), (4, 38968540), (5, 31174832), (8, 19484270), (10, 15587416), (13, 11990320), (16, 9742135), (20, 7793708), (26, 5995160), (40, 3896854), (52, 2997580), (65, 2398064), (67, 2326480), (80, 1948427), (104, 1498790), (130, 1199032), (134, 1163240), (208, 749395), (260, 599516), (268, 581620), (335, 465296), (520, 299758), (536, 290810), (670, 232648), (871, 178960), (1040, 149879), (1072, 145405), (1340, 116324), (1742, 89480), (2237, 69680), (2680, 58162), (3484, 44740), (4355, 35792), (4474, 34840), (5360, 29081), (6968, 22370), (8710, 17896), (8948, 17420), (11185, 13936)]