172040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:62

約数の個数: 64

約数和(自身を含む): 466560

約数和(自身を除く): 294520

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 110, 115, 136, 170, 184, 187, 220, 230, 253, 340, 374, 391, 440, 460, 506, 680, 748, 782, 920, 935, 1012, 1265, 1496, 1564, 1870, 1955, 2024, 2530, 3128, 3740, 3910, 4301, 5060, 7480, 7820, 8602, 10120, 15640, 17204, 21505, 34408, 43010, 86020, 172040]

約数ペア:

[(1, 172040), (2, 86020), (4, 43010), (5, 34408), (8, 21505), (10, 17204), (11, 15640), (17, 10120), (20, 8602), (22, 7820), (23, 7480), (34, 5060), (40, 4301), (44, 3910), (46, 3740), (55, 3128), (68, 2530), (85, 2024), (88, 1955), (92, 1870), (110, 1564), (115, 1496), (136, 1265), (170, 1012), (184, 935), (187, 920), (220, 782), (230, 748), (253, 680), (340, 506), (374, 460), (391, 440)]