155111840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74573}}^1$

素因数の和:74601

約数の個数: 48

約数和(自身を含む): 394645608

約数和(自身を除く): 239533768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 74573, 149146, 298292, 372865, 596584, 745730, 969449, 1193168, 1491460, 1938898, 2386336, 2982920, 3877796, 4847245, 5965840, 7755592, 9694490, 11931680, 15511184, 19388980, 31022368, 38777960, 77555920, 155111840]

約数ペア:

[(1, 155111840), (2, 77555920), (4, 38777960), (5, 31022368), (8, 19388980), (10, 15511184), (13, 11931680), (16, 9694490), (20, 7755592), (26, 5965840), (32, 4847245), (40, 3877796), (52, 2982920), (65, 2386336), (80, 1938898), (104, 1491460), (130, 1193168), (160, 969449), (208, 745730), (260, 596584), (416, 372865), (520, 298292), (1040, 149146), (2080, 74573)]