31812420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 94348800

約数和(自身を除く): 62536380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 235, 282, 290, 348, 389, 435, 470, 564, 580, 705, 778, 870, 940, 1167, 1363, 1410, 1556, 1740, 1945, 2334, 2726, 2820, 3890, 4089, 4668, 5452, 5835, 6815, 7780, 8178, 11281, 11670, 13630, 16356, 18283, 20445, 22562, 23340, 27260, 33843, 36566, 40890, 45124, 54849, 56405, 67686, 73132, 81780, 91415, 109698, 112810, 135372, 169215, 182830, 219396, 225620, 274245, 338430, 365660, 530207, 548490, 676860, 1060414, 1096980, 1590621, 2120828, 2651035, 3181242, 5302070, 6362484, 7953105, 10604140, 15906210, 31812420]

約数ペア:

[(1, 31812420), (2, 15906210), (3, 10604140), (4, 7953105), (5, 6362484), (6, 5302070), (10, 3181242), (12, 2651035), (15, 2120828), (20, 1590621), (29, 1096980), (30, 1060414), (47, 676860), (58, 548490), (60, 530207), (87, 365660), (94, 338430), (116, 274245), (141, 225620), (145, 219396), (174, 182830), (188, 169215), (235, 135372), (282, 112810), (290, 109698), (348, 91415), (389, 81780), (435, 73132), (470, 67686), (564, 56405), (580, 54849), (705, 45124), (778, 40890), (870, 36566), (940, 33843), (1167, 27260), (1363, 23340), (1410, 22562), (1556, 20445), (1740, 18283), (1945, 16356), (2334, 13630), (2726, 11670), (2820, 11281), (3890, 8178), (4089, 7780), (4668, 6815), (5452, 5835)]