78155025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1129}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 141240960

約数和(自身を除く): 63085935

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 325, 355, 923, 975, 1065, 1129, 1775, 2769, 3387, 4615, 5325, 5645, 13845, 14677, 16935, 23075, 28225, 44031, 69225, 73385, 80159, 84675, 220155, 240477, 366925, 400795, 1042067, 1100775, 1202385, 2003975, 3126201, 5210335, 6011925, 15631005, 26051675, 78155025]

約数ペア:

[(1, 78155025), (3, 26051675), (5, 15631005), (13, 6011925), (15, 5210335), (25, 3126201), (39, 2003975), (65, 1202385), (71, 1100775), (75, 1042067), (195, 400795), (213, 366925), (325, 240477), (355, 220155), (923, 84675), (975, 80159), (1065, 73385), (1129, 69225), (1775, 44031), (2769, 28225), (3387, 23075), (4615, 16935), (5325, 14677), (5645, 13845)]