171221520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1453}}^1$

素因数の和:1960

約数の個数: 80

約数和(自身を含む): 532233792

約数和(自身を除く): 361012272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1453, 1473, 1964, 2455, 2906, 2946, 3928, 4359, 4910, 5812, 5892, 7265, 7365, 7856, 8718, 9820, 11624, 11784, 14530, 14730, 17436, 19640, 21795, 23248, 23568, 29060, 29460, 34872, 39280, 43590, 58120, 58920, 69744, 87180, 116240, 117840, 174360, 348720, 713423, 1426846, 2140269, 2853692, 3567115, 4280538, 5707384, 7134230, 8561076, 10701345, 11414768, 14268460, 17122152, 21402690, 28536920, 34244304, 42805380, 57073840, 85610760, 171221520]

約数ペア:

[(1, 171221520), (2, 85610760), (3, 57073840), (4, 42805380), (5, 34244304), (6, 28536920), (8, 21402690), (10, 17122152), (12, 14268460), (15, 11414768), (16, 10701345), (20, 8561076), (24, 7134230), (30, 5707384), (40, 4280538), (48, 3567115), (60, 2853692), (80, 2140269), (120, 1426846), (240, 713423), (491, 348720), (982, 174360), (1453, 117840), (1473, 116240), (1964, 87180), (2455, 69744), (2906, 58920), (2946, 58120), (3928, 43590), (4359, 39280), (4910, 34872), (5812, 29460), (5892, 29060), (7265, 23568), (7365, 23248), (7856, 21795), (8718, 19640), (9820, 17436), (11624, 14730), (11784, 14530)]