30681880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20731}}^1$

素因数の和:20779

約数の個数: 32

約数和(自身を含む): 70903440

約数和(自身を除く): 40221560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20731, 41462, 82924, 103655, 165848, 207310, 414620, 767047, 829240, 1534094, 3068188, 3835235, 6136376, 7670470, 15340940, 30681880]

約数ペア:

[(1, 30681880), (2, 15340940), (4, 7670470), (5, 6136376), (8, 3835235), (10, 3068188), (20, 1534094), (37, 829240), (40, 767047), (74, 414620), (148, 207310), (185, 165848), (296, 103655), (370, 82924), (740, 41462), (1480, 20731)]