157991940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16561}}^1$

素因数の和:16629

約数の個数: 72

約数和(自身を含む): 488314008

約数和(自身を除く): 330322068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 16561, 33122, 49683, 66244, 82805, 99366, 149049, 165610, 198732, 248415, 298098, 331220, 496830, 596196, 745245, 877733, 993660, 1490490, 1755466, 2633199, 2980980, 3510932, 4388665, 5266398, 7899597, 8777330, 10532796, 13165995, 15799194, 17554660, 26331990, 31598388, 39497985, 52663980, 78995970, 157991940]

約数ペア:

[(1, 157991940), (2, 78995970), (3, 52663980), (4, 39497985), (5, 31598388), (6, 26331990), (9, 17554660), (10, 15799194), (12, 13165995), (15, 10532796), (18, 8777330), (20, 7899597), (30, 5266398), (36, 4388665), (45, 3510932), (53, 2980980), (60, 2633199), (90, 1755466), (106, 1490490), (159, 993660), (180, 877733), (212, 745245), (265, 596196), (318, 496830), (477, 331220), (530, 298098), (636, 248415), (795, 198732), (954, 165610), (1060, 149049), (1590, 99366), (1908, 82805), (2385, 66244), (3180, 49683), (4770, 33122), (9540, 16561)]