405067620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{379}}^2$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 1161385344

約数和(自身を除く): 756317724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 379, 470, 564, 705, 758, 940, 1137, 1410, 1516, 1895, 2274, 2820, 3790, 4548, 5685, 7580, 11370, 17813, 22740, 35626, 53439, 71252, 89065, 106878, 143641, 178130, 213756, 267195, 287282, 356260, 430923, 534390, 574564, 718205, 861846, 1068780, 1436410, 1723692, 2154615, 2872820, 4309230, 6751127, 8618460, 13502254, 20253381, 27004508, 33755635, 40506762, 67511270, 81013524, 101266905, 135022540, 202533810, 405067620]

約数ペア:

[(1, 405067620), (2, 202533810), (3, 135022540), (4, 101266905), (5, 81013524), (6, 67511270), (10, 40506762), (12, 33755635), (15, 27004508), (20, 20253381), (30, 13502254), (47, 8618460), (60, 6751127), (94, 4309230), (141, 2872820), (188, 2154615), (235, 1723692), (282, 1436410), (379, 1068780), (470, 861846), (564, 718205), (705, 574564), (758, 534390), (940, 430923), (1137, 356260), (1410, 287282), (1516, 267195), (1895, 213756), (2274, 178130), (2820, 143641), (3790, 106878), (4548, 89065), (5685, 71252), (7580, 53439), (11370, 35626), (17813, 22740)]