257435280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{119183}}^1$

素因数の和:119205

約数の個数: 80

約数和(自身を含む): 886728960

約数和(自身を除く): 629293680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 119183, 238366, 357549, 476732, 595915, 715098, 953464, 1072647, 1191830, 1430196, 1787745, 1906928, 2145294, 2383660, 2860392, 3217941, 3575490, 4290588, 4767320, 5363235, 5720784, 6435882, 7150980, 8581176, 9534640, 10726470, 12871764, 14301960, 16089705, 17162352, 21452940, 25743528, 28603920, 32179410, 42905880, 51487056, 64358820, 85811760, 128717640, 257435280]

約数ペア:

[(1, 257435280), (2, 128717640), (3, 85811760), (4, 64358820), (5, 51487056), (6, 42905880), (8, 32179410), (9, 28603920), (10, 25743528), (12, 21452940), (15, 17162352), (16, 16089705), (18, 14301960), (20, 12871764), (24, 10726470), (27, 9534640), (30, 8581176), (36, 7150980), (40, 6435882), (45, 5720784), (48, 5363235), (54, 4767320), (60, 4290588), (72, 3575490), (80, 3217941), (90, 2860392), (108, 2383660), (120, 2145294), (135, 1906928), (144, 1787745), (180, 1430196), (216, 1191830), (240, 1072647), (270, 953464), (360, 715098), (432, 595915), (540, 476732), (720, 357549), (1080, 238366), (2160, 119183)]