31907340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1839

約数の個数: 72

約数和(自身を含む): 97782048

約数和(自身を除く): 65874708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1721, 1854, 2060, 3090, 3442, 3708, 4635, 5163, 6180, 6884, 8605, 9270, 10326, 15489, 17210, 18540, 20652, 25815, 30978, 34420, 51630, 61956, 77445, 103260, 154890, 177263, 309780, 354526, 531789, 709052, 886315, 1063578, 1595367, 1772630, 2127156, 2658945, 3190734, 3545260, 5317890, 6381468, 7976835, 10635780, 15953670, 31907340]

約数ペア:

[(1, 31907340), (2, 15953670), (3, 10635780), (4, 7976835), (5, 6381468), (6, 5317890), (9, 3545260), (10, 3190734), (12, 2658945), (15, 2127156), (18, 1772630), (20, 1595367), (30, 1063578), (36, 886315), (45, 709052), (60, 531789), (90, 354526), (103, 309780), (180, 177263), (206, 154890), (309, 103260), (412, 77445), (515, 61956), (618, 51630), (927, 34420), (1030, 30978), (1236, 25815), (1545, 20652), (1721, 18540), (1854, 17210), (2060, 15489), (3090, 10326), (3442, 9270), (3708, 8605), (4635, 6884), (5163, 6180)]