219870960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916129}}^1$

素因数の和:916145

約数の個数: 40

約数和(自身を含む): 681600720

約数和(自身を除く): 461729760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916129, 1832258, 2748387, 3664516, 4580645, 5496774, 7329032, 9161290, 10993548, 13741935, 14658064, 18322580, 21987096, 27483870, 36645160, 43974192, 54967740, 73290320, 109935480, 219870960]

約数ペア:

[(1, 219870960), (2, 109935480), (3, 73290320), (4, 54967740), (5, 43974192), (6, 36645160), (8, 27483870), (10, 21987096), (12, 18322580), (15, 14658064), (16, 13741935), (20, 10993548), (24, 9161290), (30, 7329032), (40, 5496774), (48, 4580645), (60, 3664516), (80, 2748387), (120, 1832258), (240, 916129)]