31057130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 68304384

約数和(自身を除く): 37247254

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 47, 65, 85, 94, 115, 130, 169, 170, 221, 230, 235, 299, 338, 391, 442, 470, 598, 611, 782, 799, 845, 1081, 1105, 1222, 1495, 1598, 1690, 1955, 2162, 2210, 2873, 2990, 3055, 3887, 3910, 3995, 5083, 5405, 5746, 6110, 7774, 7943, 7990, 10166, 10387, 10810, 14053, 14365, 15886, 18377, 19435, 20774, 25415, 28106, 28730, 36754, 38870, 39715, 50830, 51935, 66079, 70265, 79430, 91885, 103870, 132158, 135031, 140530, 182689, 183770, 238901, 270062, 330395, 365378, 477802, 660790, 675155, 913445, 1194505, 1350310, 1826890, 2389010, 3105713, 6211426, 15528565, 31057130]

約数ペア:

[(1, 31057130), (2, 15528565), (5, 6211426), (10, 3105713), (13, 2389010), (17, 1826890), (23, 1350310), (26, 1194505), (34, 913445), (46, 675155), (47, 660790), (65, 477802), (85, 365378), (94, 330395), (115, 270062), (130, 238901), (169, 183770), (170, 182689), (221, 140530), (230, 135031), (235, 132158), (299, 103870), (338, 91885), (391, 79430), (442, 70265), (470, 66079), (598, 51935), (611, 50830), (782, 39715), (799, 38870), (845, 36754), (1081, 28730), (1105, 28106), (1222, 25415), (1495, 20774), (1598, 19435), (1690, 18377), (1955, 15886), (2162, 14365), (2210, 14053), (2873, 10810), (2990, 10387), (3055, 10166), (3887, 7990), (3910, 7943), (3995, 7774), (5083, 6110), (5405, 5746)]