161983380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207671}}^1$

素因数の和:207696

約数の個数: 48

約数和(自身を含む): 488444544

約数和(自身を除く): 326461164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 207671, 415342, 623013, 830684, 1038355, 1246026, 2076710, 2492052, 2699723, 3115065, 4153420, 5399446, 6230130, 8099169, 10798892, 12460260, 13498615, 16198338, 26997230, 32396676, 40495845, 53994460, 80991690, 161983380]

約数ペア:

[(1, 161983380), (2, 80991690), (3, 53994460), (4, 40495845), (5, 32396676), (6, 26997230), (10, 16198338), (12, 13498615), (13, 12460260), (15, 10798892), (20, 8099169), (26, 6230130), (30, 5399446), (39, 4153420), (52, 3115065), (60, 2699723), (65, 2492052), (78, 2076710), (130, 1246026), (156, 1038355), (195, 830684), (260, 623013), (390, 415342), (780, 207671)]