15770860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 38191104

約数和(自身を除く): 22420244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 887, 889, 1270, 1774, 1778, 2540, 3548, 3556, 4435, 4445, 6209, 8870, 8890, 12418, 17740, 17780, 24836, 31045, 62090, 112649, 124180, 225298, 450596, 563245, 788543, 1126490, 1577086, 2252980, 3154172, 3942715, 7885430, 15770860]

約数ペア:

[(1, 15770860), (2, 7885430), (4, 3942715), (5, 3154172), (7, 2252980), (10, 1577086), (14, 1126490), (20, 788543), (28, 563245), (35, 450596), (70, 225298), (127, 124180), (140, 112649), (254, 62090), (508, 31045), (635, 24836), (887, 17780), (889, 17740), (1270, 12418), (1774, 8890), (1778, 8870), (2540, 6209), (3548, 4445), (3556, 4435)]