206981520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{862423}}^1$

素因数の和:862439

約数の個数: 40

約数和(自身を含む): 641643456

約数和(自身を除く): 434661936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 862423, 1724846, 2587269, 3449692, 4312115, 5174538, 6899384, 8624230, 10349076, 12936345, 13798768, 17248460, 20698152, 25872690, 34496920, 41396304, 51745380, 68993840, 103490760, 206981520]

約数ペア:

[(1, 206981520), (2, 103490760), (3, 68993840), (4, 51745380), (5, 41396304), (6, 34496920), (8, 25872690), (10, 20698152), (12, 17248460), (15, 13798768), (16, 12936345), (20, 10349076), (24, 8624230), (30, 6899384), (40, 5174538), (48, 4312115), (60, 3449692), (80, 2587269), (120, 1724846), (240, 862423)]