31063620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73961}}^1$

素因数の和:73980

約数の個数: 48

約数和(自身を含む): 99404928

約数和(自身を除く): 68341308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73961, 147922, 221883, 295844, 369805, 443766, 517727, 739610, 887532, 1035454, 1109415, 1479220, 1553181, 2070908, 2218830, 2588635, 3106362, 4437660, 5177270, 6212724, 7765905, 10354540, 15531810, 31063620]

約数ペア:

[(1, 31063620), (2, 15531810), (3, 10354540), (4, 7765905), (5, 6212724), (6, 5177270), (7, 4437660), (10, 3106362), (12, 2588635), (14, 2218830), (15, 2070908), (20, 1553181), (21, 1479220), (28, 1109415), (30, 1035454), (35, 887532), (42, 739610), (60, 517727), (70, 443766), (84, 369805), (105, 295844), (140, 221883), (210, 147922), (420, 73961)]