31385940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{829}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 88126080

約数和(自身を除く): 56740140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 631, 829, 1262, 1658, 1893, 2487, 2524, 3155, 3316, 3786, 4145, 4974, 6310, 7572, 8290, 9465, 9948, 12435, 12620, 16580, 18930, 24870, 37860, 49740, 523099, 1046198, 1569297, 2092396, 2615495, 3138594, 5230990, 6277188, 7846485, 10461980, 15692970, 31385940]

約数ペア:

[(1, 31385940), (2, 15692970), (3, 10461980), (4, 7846485), (5, 6277188), (6, 5230990), (10, 3138594), (12, 2615495), (15, 2092396), (20, 1569297), (30, 1046198), (60, 523099), (631, 49740), (829, 37860), (1262, 24870), (1658, 18930), (1893, 16580), (2487, 12620), (2524, 12435), (3155, 9948), (3316, 9465), (3786, 8290), (4145, 7572), (4974, 6310)]