28578840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{238157}}^1$

素因数の和:238171

約数の個数: 32

約数和(自身を含む): 85736880

約数和(自身を除く): 57158040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 238157, 476314, 714471, 952628, 1190785, 1428942, 1905256, 2381570, 2857884, 3572355, 4763140, 5715768, 7144710, 9526280, 14289420, 28578840]

約数ペア:

[(1, 28578840), (2, 14289420), (3, 9526280), (4, 7144710), (5, 5715768), (6, 4763140), (8, 3572355), (10, 2857884), (12, 2381570), (15, 1905256), (20, 1428942), (24, 1190785), (30, 952628), (40, 714471), (60, 476314), (120, 238157)]