28556520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{237971}}^1$

素因数の和:237985

約数の個数: 32

約数和(自身を含む): 85669920

約数和(自身を除く): 57113400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 237971, 475942, 713913, 951884, 1189855, 1427826, 1903768, 2379710, 2855652, 3569565, 4759420, 5711304, 7139130, 9518840, 14278260, 28556520]

約数ペア:

[(1, 28556520), (2, 14278260), (3, 9518840), (4, 7139130), (5, 5711304), (6, 4759420), (8, 3569565), (10, 2855652), (12, 2379710), (15, 1903768), (20, 1427826), (24, 1189855), (30, 951884), (40, 713913), (60, 475942), (120, 237971)]