217713840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{907141}}^1$

素因数の和:907157

約数の個数: 40

約数和(自身を含む): 674913648

約数和(自身を除く): 457199808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 907141, 1814282, 2721423, 3628564, 4535705, 5442846, 7257128, 9071410, 10885692, 13607115, 14514256, 18142820, 21771384, 27214230, 36285640, 43542768, 54428460, 72571280, 108856920, 217713840]

約数ペア:

[(1, 217713840), (2, 108856920), (3, 72571280), (4, 54428460), (5, 43542768), (6, 36285640), (8, 27214230), (10, 21771384), (12, 18142820), (15, 14514256), (16, 13607115), (20, 10885692), (24, 9071410), (30, 7257128), (40, 5442846), (48, 4535705), (60, 3628564), (80, 2721423), (120, 1814282), (240, 907141)]