218973840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{912391}}^1$

素因数の和:912407

約数の個数: 40

約数和(自身を含む): 678819648

約数和(自身を除く): 459845808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 912391, 1824782, 2737173, 3649564, 4561955, 5474346, 7299128, 9123910, 10948692, 13685865, 14598256, 18247820, 21897384, 27371730, 36495640, 43794768, 54743460, 72991280, 109486920, 218973840]

約数ペア:

[(1, 218973840), (2, 109486920), (3, 72991280), (4, 54743460), (5, 43794768), (6, 36495640), (8, 27371730), (10, 21897384), (12, 18247820), (15, 14598256), (16, 13685865), (20, 10948692), (24, 9123910), (30, 7299128), (40, 5474346), (48, 4561955), (60, 3649564), (80, 2737173), (120, 1824782), (240, 912391)]