31830260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1879}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 84013440

約数和(自身を除く): 52183180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 1879, 2420, 3388, 3758, 4235, 7516, 8470, 9395, 13153, 16940, 18790, 20669, 26306, 37580, 41338, 52612, 65765, 82676, 103345, 131530, 144683, 206690, 227359, 263060, 289366, 413380, 454718, 578732, 723415, 909436, 1136795, 1446830, 1591513, 2273590, 2893660, 3183026, 4547180, 6366052, 7957565, 15915130, 31830260]

約数ペア:

[(1, 31830260), (2, 15915130), (4, 7957565), (5, 6366052), (7, 4547180), (10, 3183026), (11, 2893660), (14, 2273590), (20, 1591513), (22, 1446830), (28, 1136795), (35, 909436), (44, 723415), (55, 578732), (70, 454718), (77, 413380), (110, 289366), (121, 263060), (140, 227359), (154, 206690), (220, 144683), (242, 131530), (308, 103345), (385, 82676), (484, 65765), (605, 52612), (770, 41338), (847, 37580), (1210, 26306), (1540, 20669), (1694, 18790), (1879, 16940), (2420, 13153), (3388, 9395), (3758, 8470), (4235, 7516)]