12940140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11351}}^1$

素因数の和:11382

約数の個数: 48

約数和(自身を含む): 38142720

約数和(自身を除く): 25202580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 11351, 22702, 34053, 45404, 56755, 68106, 113510, 136212, 170265, 215669, 227020, 340530, 431338, 647007, 681060, 862676, 1078345, 1294014, 2156690, 2588028, 3235035, 4313380, 6470070, 12940140]

約数ペア:

[(1, 12940140), (2, 6470070), (3, 4313380), (4, 3235035), (5, 2588028), (6, 2156690), (10, 1294014), (12, 1078345), (15, 862676), (19, 681060), (20, 647007), (30, 431338), (38, 340530), (57, 227020), (60, 215669), (76, 170265), (95, 136212), (114, 113510), (190, 68106), (228, 56755), (285, 45404), (380, 34053), (570, 22702), (1140, 11351)]