721253460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2963}}^1\times {\mathrm{4057}}^1$

素因数の和:7032

約数の個数: 48

約数和(自身を含む): 2020689216

約数和(自身を除く): 1299435756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2963, 4057, 5926, 8114, 8889, 11852, 12171, 14815, 16228, 17778, 20285, 24342, 29630, 35556, 40570, 44445, 48684, 59260, 60855, 81140, 88890, 121710, 177780, 243420, 12020891, 24041782, 36062673, 48083564, 60104455, 72125346, 120208910, 144250692, 180313365, 240417820, 360626730, 721253460]

約数ペア:

[(1, 721253460), (2, 360626730), (3, 240417820), (4, 180313365), (5, 144250692), (6, 120208910), (10, 72125346), (12, 60104455), (15, 48083564), (20, 36062673), (30, 24041782), (60, 12020891), (2963, 243420), (4057, 177780), (5926, 121710), (8114, 88890), (8889, 81140), (11852, 60855), (12171, 59260), (14815, 48684), (16228, 44445), (17778, 40570), (20285, 35556), (24342, 29630)]