77381880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{887}}^1$

素因数の和:1628

約数の個数: 64

約数和(自身を含む): 232727040

約数和(自身を除く): 155345160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 727, 887, 1454, 1774, 2181, 2661, 2908, 3548, 3635, 4362, 4435, 5322, 5816, 7096, 7270, 8724, 8870, 10644, 10905, 13305, 14540, 17448, 17740, 21288, 21810, 26610, 29080, 35480, 43620, 53220, 87240, 106440, 644849, 1289698, 1934547, 2579396, 3224245, 3869094, 5158792, 6448490, 7738188, 9672735, 12896980, 15476376, 19345470, 25793960, 38690940, 77381880]

約数ペア:

[(1, 77381880), (2, 38690940), (3, 25793960), (4, 19345470), (5, 15476376), (6, 12896980), (8, 9672735), (10, 7738188), (12, 6448490), (15, 5158792), (20, 3869094), (24, 3224245), (30, 2579396), (40, 1934547), (60, 1289698), (120, 644849), (727, 106440), (887, 87240), (1454, 53220), (1774, 43620), (2181, 35480), (2661, 29080), (2908, 26610), (3548, 21810), (3635, 21288), (4362, 17740), (4435, 17448), (5322, 14540), (5816, 13305), (7096, 10905), (7270, 10644), (8724, 8870)]