219953040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916471}}^1$

素因数の和:916487

約数の個数: 40

約数和(自身を含む): 681855168

約数和(自身を除く): 461902128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916471, 1832942, 2749413, 3665884, 4582355, 5498826, 7331768, 9164710, 10997652, 13747065, 14663536, 18329420, 21995304, 27494130, 36658840, 43990608, 54988260, 73317680, 109976520, 219953040]

約数ペア:

[(1, 219953040), (2, 109976520), (3, 73317680), (4, 54988260), (5, 43990608), (6, 36658840), (8, 27494130), (10, 21995304), (12, 18329420), (15, 14663536), (16, 13747065), (20, 10997652), (24, 9164710), (30, 7331768), (40, 5498826), (48, 4582355), (60, 3665884), (80, 2749413), (120, 1832942), (240, 916471)]