344080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 80

約数和(自身を含む): 964224

約数和(自身を除く): 620144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 220, 230, 253, 272, 340, 368, 374, 391, 440, 460, 506, 680, 748, 782, 880, 920, 935, 1012, 1265, 1360, 1496, 1564, 1840, 1870, 1955, 2024, 2530, 2992, 3128, 3740, 3910, 4048, 4301, 5060, 6256, 7480, 7820, 8602, 10120, 14960, 15640, 17204, 20240, 21505, 31280, 34408, 43010, 68816, 86020, 172040, 344080]

約数ペア:

[(1, 344080), (2, 172040), (4, 86020), (5, 68816), (8, 43010), (10, 34408), (11, 31280), (16, 21505), (17, 20240), (20, 17204), (22, 15640), (23, 14960), (34, 10120), (40, 8602), (44, 7820), (46, 7480), (55, 6256), (68, 5060), (80, 4301), (85, 4048), (88, 3910), (92, 3740), (110, 3128), (115, 2992), (136, 2530), (170, 2024), (176, 1955), (184, 1870), (187, 1840), (220, 1564), (230, 1496), (253, 1360), (272, 1265), (340, 1012), (368, 935), (374, 920), (391, 880), (440, 782), (460, 748), (506, 680)]