31357470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 77552640

約数和(自身を除く): 46195170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 101, 131, 158, 202, 237, 262, 303, 393, 395, 474, 505, 606, 655, 786, 790, 1010, 1185, 1310, 1515, 1965, 2370, 3030, 3930, 7979, 10349, 13231, 15958, 20698, 23937, 26462, 31047, 39693, 39895, 47874, 51745, 62094, 66155, 79386, 79790, 103490, 119685, 132310, 155235, 198465, 239370, 310470, 396930, 1045249, 2090498, 3135747, 5226245, 6271494, 10452490, 15678735, 31357470]

約数ペア:

[(1, 31357470), (2, 15678735), (3, 10452490), (5, 6271494), (6, 5226245), (10, 3135747), (15, 2090498), (30, 1045249), (79, 396930), (101, 310470), (131, 239370), (158, 198465), (202, 155235), (237, 132310), (262, 119685), (303, 103490), (393, 79790), (395, 79386), (474, 66155), (505, 62094), (606, 51745), (655, 47874), (786, 39895), (790, 39693), (1010, 31047), (1185, 26462), (1310, 23937), (1515, 20698), (1965, 15958), (2370, 13231), (3030, 10349), (3930, 7979)]