156915640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11437}}^1$

素因数の和:11469

約数の個数: 64

約数和(自身を含む): 411768000

約数和(自身を除く): 254852360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 11437, 13720, 22874, 45748, 57185, 80059, 91496, 114370, 160118, 228740, 320236, 400295, 457480, 560413, 640472, 800590, 1120826, 1601180, 2241652, 2802065, 3202360, 3922891, 4483304, 5604130, 7845782, 11208260, 15691564, 19614455, 22416520, 31383128, 39228910, 78457820, 156915640]

約数ペア:

[(1, 156915640), (2, 78457820), (4, 39228910), (5, 31383128), (7, 22416520), (8, 19614455), (10, 15691564), (14, 11208260), (20, 7845782), (28, 5604130), (35, 4483304), (40, 3922891), (49, 3202360), (56, 2802065), (70, 2241652), (98, 1601180), (140, 1120826), (196, 800590), (245, 640472), (280, 560413), (343, 457480), (392, 400295), (490, 320236), (686, 228740), (980, 160118), (1372, 114370), (1715, 91496), (1960, 80059), (2744, 57185), (3430, 45748), (6860, 22874), (11437, 13720)]