1666414020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{391177}}^1$

素因数の和:391260

約数の個数: 48

約数和(自身を含む): 4731689088

約数和(自身を除く): 3065275068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 391177, 782354, 1173531, 1564708, 1955885, 2347062, 3911770, 4694124, 5867655, 7823540, 11735310, 23470620, 27773567, 55547134, 83320701, 111094268, 138867835, 166641402, 277735670, 333282804, 416603505, 555471340, 833207010, 1666414020]

約数ペア:

[(1, 1666414020), (2, 833207010), (3, 555471340), (4, 416603505), (5, 333282804), (6, 277735670), (10, 166641402), (12, 138867835), (15, 111094268), (20, 83320701), (30, 55547134), (60, 27773567), (71, 23470620), (142, 11735310), (213, 7823540), (284, 5867655), (355, 4694124), (426, 3911770), (710, 2347062), (852, 1955885), (1065, 1564708), (1420, 1173531), (2130, 782354), (4260, 391177)]