1291229240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{8191}}^1$

素因数の和:8772

約数の個数: 64

約数和(自身を含む): 3326607360

約数和(自身を除く): 2035378120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563, 1126, 2252, 2815, 3941, 4504, 5630, 7882, 8191, 11260, 15764, 16382, 19705, 22520, 31528, 32764, 39410, 40955, 57337, 65528, 78820, 81910, 114674, 157640, 163820, 229348, 286685, 327640, 458696, 573370, 1146740, 2293480, 4611533, 9223066, 18446132, 23057665, 32280731, 36892264, 46115330, 64561462, 92230660, 129122924, 161403655, 184461320, 258245848, 322807310, 645614620, 1291229240]

約数ペア:

[(1, 1291229240), (2, 645614620), (4, 322807310), (5, 258245848), (7, 184461320), (8, 161403655), (10, 129122924), (14, 92230660), (20, 64561462), (28, 46115330), (35, 36892264), (40, 32280731), (56, 23057665), (70, 18446132), (140, 9223066), (280, 4611533), (563, 2293480), (1126, 1146740), (2252, 573370), (2815, 458696), (3941, 327640), (4504, 286685), (5630, 229348), (7882, 163820), (8191, 157640), (11260, 114674), (15764, 81910), (16382, 78820), (19705, 65528), (22520, 57337), (31528, 40955), (32764, 39410)]