28677720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{677}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 86404320

約数和(自身を除く): 57726600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 677, 706, 1059, 1354, 1412, 1765, 2031, 2118, 2708, 2824, 3385, 3530, 4062, 4236, 5295, 5416, 6770, 7060, 8124, 8472, 10155, 10590, 13540, 14120, 16248, 20310, 21180, 27080, 40620, 42360, 81240, 238981, 477962, 716943, 955924, 1194905, 1433886, 1911848, 2389810, 2867772, 3584715, 4779620, 5735544, 7169430, 9559240, 14338860, 28677720]

約数ペア:

[(1, 28677720), (2, 14338860), (3, 9559240), (4, 7169430), (5, 5735544), (6, 4779620), (8, 3584715), (10, 2867772), (12, 2389810), (15, 1911848), (20, 1433886), (24, 1194905), (30, 955924), (40, 716943), (60, 477962), (120, 238981), (353, 81240), (677, 42360), (706, 40620), (1059, 27080), (1354, 21180), (1412, 20310), (1765, 16248), (2031, 14120), (2118, 13540), (2708, 10590), (2824, 10155), (3385, 8472), (3530, 8124), (4062, 7060), (4236, 6770), (5295, 5416)]