180861140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 391112064

約数和(自身を除く): 210250924

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 1901, 3802, 4757, 7604, 9505, 9514, 19010, 19028, 23785, 38020, 47570, 95140, 127367, 134971, 254734, 269942, 509468, 539884, 636835, 674855, 1273670, 1349710, 2547340, 2699420, 9043057, 18086114, 36172228, 45215285, 90430570, 180861140]

約数ペア:

[(1, 180861140), (2, 90430570), (4, 45215285), (5, 36172228), (10, 18086114), (20, 9043057), (67, 2699420), (71, 2547340), (134, 1349710), (142, 1273670), (268, 674855), (284, 636835), (335, 539884), (355, 509468), (670, 269942), (710, 254734), (1340, 134971), (1420, 127367), (1901, 95140), (3802, 47570), (4757, 38020), (7604, 23785), (9505, 19028), (9514, 19010)]