30720380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49549}}^1$

素因数の和:49589

約数の個数: 24

約数和(自身を含む): 66595200

約数和(自身を除く): 35874820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49549, 99098, 198196, 247745, 495490, 990980, 1536019, 3072038, 6144076, 7680095, 15360190, 30720380]

約数ペア:

[(1, 30720380), (2, 15360190), (4, 7680095), (5, 6144076), (10, 3072038), (20, 1536019), (31, 990980), (62, 495490), (124, 247745), (155, 198196), (310, 99098), (620, 49549)]