31889340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25309}}^1$

素因数の和:25331

約数の個数: 72

約数和(自身を含む): 110554080

約数和(自身を除く): 78664740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25309, 50618, 75927, 101236, 126545, 151854, 177163, 227781, 253090, 303708, 354326, 379635, 455562, 506180, 531489, 708652, 759270, 885815, 911124, 1062978, 1138905, 1518540, 1594467, 1771630, 2125956, 2277810, 2657445, 3188934, 3543260, 4555620, 5314890, 6377868, 7972335, 10629780, 15944670, 31889340]

約数ペア:

[(1, 31889340), (2, 15944670), (3, 10629780), (4, 7972335), (5, 6377868), (6, 5314890), (7, 4555620), (9, 3543260), (10, 3188934), (12, 2657445), (14, 2277810), (15, 2125956), (18, 1771630), (20, 1594467), (21, 1518540), (28, 1138905), (30, 1062978), (35, 911124), (36, 885815), (42, 759270), (45, 708652), (60, 531489), (63, 506180), (70, 455562), (84, 379635), (90, 354326), (105, 303708), (126, 253090), (140, 227781), (180, 177163), (210, 151854), (252, 126545), (315, 101236), (420, 75927), (630, 50618), (1260, 25309)]