72730360

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 167731200

約数和(自身を除く): 95000840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 127, 139, 206, 254, 278, 412, 508, 515, 556, 635, 695, 824, 1016, 1030, 1112, 1270, 1390, 2060, 2540, 2780, 4120, 5080, 5560, 13081, 14317, 17653, 26162, 28634, 35306, 52324, 57268, 65405, 70612, 71585, 88265, 104648, 114536, 130810, 141224, 143170, 176530, 261620, 286340, 353060, 523240, 572680, 706120, 1818259, 3636518, 7273036, 9091295, 14546072, 18182590, 36365180, 72730360]

約数ペア:

[(1, 72730360), (2, 36365180), (4, 18182590), (5, 14546072), (8, 9091295), (10, 7273036), (20, 3636518), (40, 1818259), (103, 706120), (127, 572680), (139, 523240), (206, 353060), (254, 286340), (278, 261620), (412, 176530), (508, 143170), (515, 141224), (556, 130810), (635, 114536), (695, 104648), (824, 88265), (1016, 71585), (1030, 70612), (1112, 65405), (1270, 57268), (1390, 52324), (2060, 35306), (2540, 28634), (2780, 26162), (4120, 17653), (5080, 14317), (5560, 13081)]