217569840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906541}}^1$

素因数の和:906557

約数の個数: 40

約数和(自身を含む): 674467248

約数和(自身を除く): 456897408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906541, 1813082, 2719623, 3626164, 4532705, 5439246, 7252328, 9065410, 10878492, 13598115, 14504656, 18130820, 21756984, 27196230, 36261640, 43513968, 54392460, 72523280, 108784920, 217569840]

約数ペア:

[(1, 217569840), (2, 108784920), (3, 72523280), (4, 54392460), (5, 43513968), (6, 36261640), (8, 27196230), (10, 21756984), (12, 18130820), (15, 14504656), (16, 13598115), (20, 10878492), (24, 9065410), (30, 7252328), (40, 5439246), (48, 4532705), (60, 3626164), (80, 2719623), (120, 1813082), (240, 906541)]