18806520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2957}}^1$

素因数の和:3024

約数の個数: 64

約数和(自身を含む): 57503520

約数和(自身を除く): 38697000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 2957, 3180, 5914, 6360, 8871, 11828, 14785, 17742, 23656, 29570, 35484, 44355, 59140, 70968, 88710, 118280, 156721, 177420, 313442, 354840, 470163, 626884, 783605, 940326, 1253768, 1567210, 1880652, 2350815, 3134420, 3761304, 4701630, 6268840, 9403260, 18806520]

約数ペア:

[(1, 18806520), (2, 9403260), (3, 6268840), (4, 4701630), (5, 3761304), (6, 3134420), (8, 2350815), (10, 1880652), (12, 1567210), (15, 1253768), (20, 940326), (24, 783605), (30, 626884), (40, 470163), (53, 354840), (60, 313442), (106, 177420), (120, 156721), (159, 118280), (212, 88710), (265, 70968), (318, 59140), (424, 44355), (530, 35484), (636, 29570), (795, 23656), (1060, 17742), (1272, 14785), (1590, 11828), (2120, 8871), (2957, 6360), (3180, 5914)]