28731480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239429}}^1$

素因数の和:239443

約数の個数: 32

約数和(自身を含む): 86194800

約数和(自身を除く): 57463320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239429, 478858, 718287, 957716, 1197145, 1436574, 1915432, 2394290, 2873148, 3591435, 4788580, 5746296, 7182870, 9577160, 14365740, 28731480]

約数ペア:

[(1, 28731480), (2, 14365740), (3, 9577160), (4, 7182870), (5, 5746296), (6, 4788580), (8, 3591435), (10, 2873148), (12, 2394290), (15, 1915432), (20, 1436574), (24, 1197145), (30, 957716), (40, 718287), (60, 478858), (120, 239429)]