15565880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 40474080

約数和(自身を除く): 24908200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2081, 3740, 4162, 7480, 8324, 10405, 16648, 20810, 22891, 35377, 41620, 45782, 70754, 83240, 91564, 114455, 141508, 176885, 183128, 228910, 283016, 353770, 389147, 457820, 707540, 778294, 915640, 1415080, 1556588, 1945735, 3113176, 3891470, 7782940, 15565880]

約数ペア:

[(1, 15565880), (2, 7782940), (4, 3891470), (5, 3113176), (8, 1945735), (10, 1556588), (11, 1415080), (17, 915640), (20, 778294), (22, 707540), (34, 457820), (40, 389147), (44, 353770), (55, 283016), (68, 228910), (85, 183128), (88, 176885), (110, 141508), (136, 114455), (170, 91564), (187, 83240), (220, 70754), (340, 45782), (374, 41620), (440, 35377), (680, 22891), (748, 20810), (935, 16648), (1496, 10405), (1870, 8324), (2081, 7480), (3740, 4162)]