206880240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{123143}}^1$

素因数の和:123166

約数の個数: 80

約数和(自身を含む): 732953088

約数和(自身を除く): 526072848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 123143, 246286, 369429, 492572, 615715, 738858, 862001, 985144, 1231430, 1477716, 1724002, 1847145, 1970288, 2462860, 2586003, 2955432, 3448004, 3694290, 4310005, 4925720, 5172006, 5910864, 6896008, 7388580, 8620010, 9851440, 10344012, 12930015, 13792016, 14777160, 17240020, 20688024, 25860030, 29554320, 34480040, 41376048, 51720060, 68960080, 103440120, 206880240]

約数ペア:

[(1, 206880240), (2, 103440120), (3, 68960080), (4, 51720060), (5, 41376048), (6, 34480040), (7, 29554320), (8, 25860030), (10, 20688024), (12, 17240020), (14, 14777160), (15, 13792016), (16, 12930015), (20, 10344012), (21, 9851440), (24, 8620010), (28, 7388580), (30, 6896008), (35, 5910864), (40, 5172006), (42, 4925720), (48, 4310005), (56, 3694290), (60, 3448004), (70, 2955432), (80, 2586003), (84, 2462860), (105, 1970288), (112, 1847145), (120, 1724002), (140, 1477716), (168, 1231430), (210, 985144), (240, 862001), (280, 738858), (336, 615715), (420, 492572), (560, 369429), (840, 246286), (1680, 123143)]