80074920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{977}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 240822720

約数和(自身を除く): 160747800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 683, 977, 1366, 1954, 2049, 2732, 2931, 3415, 3908, 4098, 4885, 5464, 5862, 6830, 7816, 8196, 9770, 10245, 11724, 13660, 14655, 16392, 19540, 20490, 23448, 27320, 29310, 39080, 40980, 58620, 81960, 117240, 667291, 1334582, 2001873, 2669164, 3336455, 4003746, 5338328, 6672910, 8007492, 10009365, 13345820, 16014984, 20018730, 26691640, 40037460, 80074920]

約数ペア:

[(1, 80074920), (2, 40037460), (3, 26691640), (4, 20018730), (5, 16014984), (6, 13345820), (8, 10009365), (10, 8007492), (12, 6672910), (15, 5338328), (20, 4003746), (24, 3336455), (30, 2669164), (40, 2001873), (60, 1334582), (120, 667291), (683, 117240), (977, 81960), (1366, 58620), (1954, 40980), (2049, 39080), (2732, 29310), (2931, 27320), (3415, 23448), (3908, 20490), (4098, 19540), (4885, 16392), (5464, 14655), (5862, 13660), (6830, 11724), (7816, 10245), (8196, 9770)]