28730680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 49651400

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, 167, 170, 184, 187, 220, 230, 253, 334, 340, 374, 391, 440, 460, 506, 668, 680, 748, 782, 835, 920, 935, 1012, 1265, 1336, 1496, 1564, 1670, 1837, 1870, 1955, 2024, 2530, 2839, 3128, 3340, 3674, 3740, 3841, 3910, 4301, 5060, 5678, 6680, 7348, 7480, 7682, 7820, 8602, 9185, 10120, 11356, 14195, 14696, 15364, 15640, 17204, 18370, 19205, 21505, 22712, 28390, 30728, 31229, 34408, 36740, 38410, 42251, 43010, 56780, 62458, 65297, 73480, 76820, 84502, 86020, 113560, 124916, 130594, 153640, 156145, 169004, 172040, 211255, 249832, 261188, 312290, 326485, 338008, 422510, 522376, 624580, 652970, 718267, 845020, 1249160, 1305940, 1436534, 1690040, 2611880, 2873068, 3591335, 5746136, 7182670, 14365340, 28730680]

約数ペア:

[(1, 28730680), (2, 14365340), (4, 7182670), (5, 5746136), (8, 3591335), (10, 2873068), (11, 2611880), (17, 1690040), (20, 1436534), (22, 1305940), (23, 1249160), (34, 845020), (40, 718267), (44, 652970), (46, 624580), (55, 522376), (68, 422510), (85, 338008), (88, 326485), (92, 312290), (110, 261188), (115, 249832), (136, 211255), (167, 172040), (170, 169004), (184, 156145), (187, 153640), (220, 130594), (230, 124916), (253, 113560), (334, 86020), (340, 84502), (374, 76820), (391, 73480), (440, 65297), (460, 62458), (506, 56780), (668, 43010), (680, 42251), (748, 38410), (782, 36740), (835, 34408), (920, 31229), (935, 30728), (1012, 28390), (1265, 22712), (1336, 21505), (1496, 19205), (1564, 18370), (1670, 17204), (1837, 15640), (1870, 15364), (1955, 14696), (2024, 14195), (2530, 11356), (2839, 10120), (3128, 9185), (3340, 8602), (3674, 7820), (3740, 7682), (3841, 7480), (3910, 7348), (4301, 6680), (5060, 5678)]