81113480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6737}}^1$

素因数の和:6798

約数の個数: 64

約数和(自身を含む): 213459840

約数和(自身を除く): 132346360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 6737, 12040, 13474, 26948, 33685, 47159, 53896, 67370, 94318, 134740, 188636, 235795, 269480, 289691, 377272, 471590, 579382, 943180, 1158764, 1448455, 1886360, 2027837, 2317528, 2896910, 4055674, 5793820, 8111348, 10139185, 11587640, 16222696, 20278370, 40556740, 81113480]

約数ペア:

[(1, 81113480), (2, 40556740), (4, 20278370), (5, 16222696), (7, 11587640), (8, 10139185), (10, 8111348), (14, 5793820), (20, 4055674), (28, 2896910), (35, 2317528), (40, 2027837), (43, 1886360), (56, 1448455), (70, 1158764), (86, 943180), (140, 579382), (172, 471590), (215, 377272), (280, 289691), (301, 269480), (344, 235795), (430, 188636), (602, 134740), (860, 94318), (1204, 67370), (1505, 53896), (1720, 47159), (2408, 33685), (3010, 26948), (6020, 13474), (6737, 12040)]