155791240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{677}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 383693760

約数和(自身を除く): 227902520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 523, 677, 1046, 1354, 2092, 2615, 2708, 3385, 4184, 5230, 5416, 5753, 6770, 7447, 10460, 11506, 13540, 14894, 20920, 23012, 27080, 28765, 29788, 37235, 46024, 57530, 59576, 74470, 115060, 148940, 230120, 297880, 354071, 708142, 1416284, 1770355, 2832568, 3540710, 3894781, 7081420, 7789562, 14162840, 15579124, 19473905, 31158248, 38947810, 77895620, 155791240]

約数ペア:

[(1, 155791240), (2, 77895620), (4, 38947810), (5, 31158248), (8, 19473905), (10, 15579124), (11, 14162840), (20, 7789562), (22, 7081420), (40, 3894781), (44, 3540710), (55, 2832568), (88, 1770355), (110, 1416284), (220, 708142), (440, 354071), (523, 297880), (677, 230120), (1046, 148940), (1354, 115060), (2092, 74470), (2615, 59576), (2708, 57530), (3385, 46024), (4184, 37235), (5230, 29788), (5416, 28765), (5753, 27080), (6770, 23012), (7447, 20920), (10460, 14894), (11506, 13540)]