77902920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{216397}}^1$

素因数の和:216414

約数の個数: 48

約数和(自身を含む): 253185660

約数和(自身を除く): 175282740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 216397, 432794, 649191, 865588, 1081985, 1298382, 1731176, 1947573, 2163970, 2596764, 3245955, 3895146, 4327940, 5193528, 6491910, 7790292, 8655880, 9737865, 12983820, 15580584, 19475730, 25967640, 38951460, 77902920]

約数ペア:

[(1, 77902920), (2, 38951460), (3, 25967640), (4, 19475730), (5, 15580584), (6, 12983820), (8, 9737865), (9, 8655880), (10, 7790292), (12, 6491910), (15, 5193528), (18, 4327940), (20, 3895146), (24, 3245955), (30, 2596764), (36, 2163970), (40, 1947573), (45, 1731176), (60, 1298382), (72, 1081985), (90, 865588), (120, 649191), (180, 432794), (360, 216397)]