30981080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4583}}^1$

素因数の和:4620

約数の個数: 48

約数和(自身を含む): 75498480

約数和(自身を除く): 44517400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 4583, 6760, 9166, 18332, 22915, 36664, 45830, 59579, 91660, 119158, 183320, 238316, 297895, 476632, 595790, 774527, 1191580, 1549054, 2383160, 3098108, 3872635, 6196216, 7745270, 15490540, 30981080]

約数ペア:

[(1, 30981080), (2, 15490540), (4, 7745270), (5, 6196216), (8, 3872635), (10, 3098108), (13, 2383160), (20, 1549054), (26, 1191580), (40, 774527), (52, 595790), (65, 476632), (104, 297895), (130, 238316), (169, 183320), (260, 119158), (338, 91660), (520, 59579), (676, 45830), (845, 36664), (1352, 22915), (1690, 18332), (3380, 9166), (4583, 6760)]