31267740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 101122560

約数和(自身を除く): 69854820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 683, 763, 1090, 1308, 1366, 1526, 1635, 2049, 2180, 2289, 2732, 3052, 3270, 3415, 3815, 4098, 4578, 4781, 6540, 6830, 7630, 8196, 9156, 9562, 10245, 11445, 13660, 14343, 15260, 19124, 20490, 22890, 23905, 28686, 40980, 45780, 47810, 57372, 71715, 74447, 95620, 143430, 148894, 223341, 286860, 297788, 372235, 446682, 521129, 744470, 893364, 1042258, 1116705, 1488940, 1563387, 2084516, 2233410, 2605645, 3126774, 4466820, 5211290, 6253548, 7816935, 10422580, 15633870, 31267740]

約数ペア:

[(1, 31267740), (2, 15633870), (3, 10422580), (4, 7816935), (5, 6253548), (6, 5211290), (7, 4466820), (10, 3126774), (12, 2605645), (14, 2233410), (15, 2084516), (20, 1563387), (21, 1488940), (28, 1116705), (30, 1042258), (35, 893364), (42, 744470), (60, 521129), (70, 446682), (84, 372235), (105, 297788), (109, 286860), (140, 223341), (210, 148894), (218, 143430), (327, 95620), (420, 74447), (436, 71715), (545, 57372), (654, 47810), (683, 45780), (763, 40980), (1090, 28686), (1308, 23905), (1366, 22890), (1526, 20490), (1635, 19124), (2049, 15260), (2180, 14343), (2289, 13660), (2732, 11445), (3052, 10245), (3270, 9562), (3415, 9156), (3815, 8196), (4098, 7630), (4578, 6830), (4781, 6540)]