138806520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1156721}}^1$

素因数の和:1156735

約数の個数: 32

約数和(自身を含む): 416419920

約数和(自身を除く): 277613400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1156721, 2313442, 3470163, 4626884, 5783605, 6940326, 9253768, 11567210, 13880652, 17350815, 23134420, 27761304, 34701630, 46268840, 69403260, 138806520]

約数ペア:

[(1, 138806520), (2, 69403260), (3, 46268840), (4, 34701630), (5, 27761304), (6, 23134420), (8, 17350815), (10, 13880652), (12, 11567210), (15, 9253768), (20, 6940326), (24, 5783605), (30, 4626884), (40, 3470163), (60, 2313442), (120, 1156721)]