165908080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2474

約数の個数: 80

約数和(自身を含む): 421785504

約数和(自身を除く): 255877424

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, 2381, 2680, 3484, 4355, 4762, 5360, 6968, 8710, 9524, 11905, 13936, 17420, 19048, 23810, 30953, 34840, 38096, 47620, 61906, 69680, 95240, 123812, 154765, 159527, 190480, 247624, 309530, 319054, 495248, 619060, 638108, 797635, 1238120, 1276216, 1595270, 2073851, 2476240, 2552432, 3190540, 4147702, 6381080, 8295404, 10369255, 12762160, 16590808, 20738510, 33181616, 41477020, 82954040, 165908080]

約数ペア:

[(1, 165908080), (2, 82954040), (4, 41477020), (5, 33181616), (8, 20738510), (10, 16590808), (13, 12762160), (16, 10369255), (20, 8295404), (26, 6381080), (40, 4147702), (52, 3190540), (65, 2552432), (67, 2476240), (80, 2073851), (104, 1595270), (130, 1276216), (134, 1238120), (208, 797635), (260, 638108), (268, 619060), (335, 495248), (520, 319054), (536, 309530), (670, 247624), (871, 190480), (1040, 159527), (1072, 154765), (1340, 123812), (1742, 95240), (2381, 69680), (2680, 61906), (3484, 47620), (4355, 38096), (4762, 34840), (5360, 30953), (6968, 23810), (8710, 19048), (9524, 17420), (11905, 13936)]