72855580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16787}}^1$

素因数の和:16834

約数の個数: 48

約数和(自身を含む): 180504576

約数和(自身を除く): 107648996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16787, 33574, 67148, 83935, 117509, 167870, 235018, 335740, 470036, 520397, 587545, 1040794, 1175090, 2081588, 2350180, 2601985, 3642779, 5203970, 7285558, 10407940, 14571116, 18213895, 36427790, 72855580]

約数ペア:

[(1, 72855580), (2, 36427790), (4, 18213895), (5, 14571116), (7, 10407940), (10, 7285558), (14, 5203970), (20, 3642779), (28, 2601985), (31, 2350180), (35, 2081588), (62, 1175090), (70, 1040794), (124, 587545), (140, 520397), (155, 470036), (217, 335740), (310, 235018), (434, 167870), (620, 117509), (868, 83935), (1085, 67148), (2170, 33574), (4340, 16787)]