239225360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15991}}^1$

素因数の和:16032

約数の個数: 80

約数和(自身を含む): 642494592

約数和(自身を除く): 403269232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 15991, 31982, 63964, 79955, 127928, 159910, 175901, 255856, 271847, 319820, 351802, 543694, 639640, 703604, 879505, 1087388, 1279280, 1359235, 1407208, 1759010, 2174776, 2718470, 2814416, 2990317, 3518020, 4349552, 5436940, 5980634, 7036040, 10873880, 11961268, 14072080, 14951585, 21747760, 23922536, 29903170, 47845072, 59806340, 119612680, 239225360]

約数ペア:

[(1, 239225360), (2, 119612680), (4, 59806340), (5, 47845072), (8, 29903170), (10, 23922536), (11, 21747760), (16, 14951585), (17, 14072080), (20, 11961268), (22, 10873880), (34, 7036040), (40, 5980634), (44, 5436940), (55, 4349552), (68, 3518020), (80, 2990317), (85, 2814416), (88, 2718470), (110, 2174776), (136, 1759010), (170, 1407208), (176, 1359235), (187, 1279280), (220, 1087388), (272, 879505), (340, 703604), (374, 639640), (440, 543694), (680, 351802), (748, 319820), (880, 271847), (935, 255856), (1360, 175901), (1496, 159910), (1870, 127928), (2992, 79955), (3740, 63964), (7480, 31982), (14960, 15991)]