138221520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{575923}}^1$

素因数の和:575939

約数の個数: 40

約数和(自身を含む): 428487456

約数和(自身を除く): 290265936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 575923, 1151846, 1727769, 2303692, 2879615, 3455538, 4607384, 5759230, 6911076, 8638845, 9214768, 11518460, 13822152, 17277690, 23036920, 27644304, 34555380, 46073840, 69110760, 138221520]

約数ペア:

[(1, 138221520), (2, 69110760), (3, 46073840), (4, 34555380), (5, 27644304), (6, 23036920), (8, 17277690), (10, 13822152), (12, 11518460), (15, 9214768), (16, 8638845), (20, 6911076), (24, 5759230), (30, 4607384), (40, 3455538), (48, 2879615), (60, 2303692), (80, 1727769), (120, 1151846), (240, 575923)]