256590960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1069129}}^1$

素因数の和:1069145

約数の個数: 40

約数和(自身を含む): 795432720

約数和(自身を除く): 538841760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1069129, 2138258, 3207387, 4276516, 5345645, 6414774, 8553032, 10691290, 12829548, 16036935, 17106064, 21382580, 25659096, 32073870, 42765160, 51318192, 64147740, 85530320, 128295480, 256590960]

約数ペア:

[(1, 256590960), (2, 128295480), (3, 85530320), (4, 64147740), (5, 51318192), (6, 42765160), (8, 32073870), (10, 25659096), (12, 21382580), (15, 17106064), (16, 16036935), (20, 12829548), (24, 10691290), (30, 8553032), (40, 6414774), (48, 5345645), (60, 4276516), (80, 3207387), (120, 2138258), (240, 1069129)]