77972520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{649771}}^1$

素因数の和:649785

約数の個数: 32

約数和(自身を含む): 233917920

約数和(自身を除く): 155945400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 649771, 1299542, 1949313, 2599084, 3248855, 3898626, 5198168, 6497710, 7797252, 9746565, 12995420, 15594504, 19493130, 25990840, 38986260, 77972520]

約数ペア:

[(1, 77972520), (2, 38986260), (3, 25990840), (4, 19493130), (5, 15594504), (6, 12995420), (8, 9746565), (10, 7797252), (12, 6497710), (15, 5198168), (20, 3898626), (24, 3248855), (30, 2599084), (40, 1949313), (60, 1299542), (120, 649771)]