255895680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{133279}}^1$

素因数の和:133301

約数の個数: 64

約数和(自身を含む): 815673600

約数和(自身を除く): 559777920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 133279, 266558, 399837, 533116, 666395, 799674, 1066232, 1332790, 1599348, 1999185, 2132464, 2665580, 3198696, 3998370, 4264928, 5331160, 6397392, 7996740, 8529856, 10662320, 12794784, 15993480, 17059712, 21324640, 25589568, 31986960, 42649280, 51179136, 63973920, 85298560, 127947840, 255895680]

約数ペア:

[(1, 255895680), (2, 127947840), (3, 85298560), (4, 63973920), (5, 51179136), (6, 42649280), (8, 31986960), (10, 25589568), (12, 21324640), (15, 17059712), (16, 15993480), (20, 12794784), (24, 10662320), (30, 8529856), (32, 7996740), (40, 6397392), (48, 5331160), (60, 4264928), (64, 3998370), (80, 3198696), (96, 2665580), (120, 2132464), (128, 1999185), (160, 1599348), (192, 1332790), (240, 1066232), (320, 799674), (384, 666395), (480, 533116), (640, 399837), (960, 266558), (1920, 133279)]