161520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{673}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 501456

約数和(自身を除く): 339936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 673, 1346, 2019, 2692, 3365, 4038, 5384, 6730, 8076, 10095, 10768, 13460, 16152, 20190, 26920, 32304, 40380, 53840, 80760, 161520]

約数ペア:

[(1, 161520), (2, 80760), (3, 53840), (4, 40380), (5, 32304), (6, 26920), (8, 20190), (10, 16152), (12, 13460), (15, 10768), (16, 10095), (20, 8076), (24, 6730), (30, 5384), (40, 4038), (48, 3365), (60, 2692), (80, 2019), (120, 1346), (240, 673)]