278730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 767520

約数和(自身を除く): 488790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 163, 171, 190, 285, 326, 342, 489, 570, 815, 855, 978, 1467, 1630, 1710, 2445, 2934, 3097, 4890, 6194, 7335, 9291, 14670, 15485, 18582, 27873, 30970, 46455, 55746, 92910, 139365, 278730]

約数ペア:

[(1, 278730), (2, 139365), (3, 92910), (5, 55746), (6, 46455), (9, 30970), (10, 27873), (15, 18582), (18, 15485), (19, 14670), (30, 9291), (38, 7335), (45, 6194), (57, 4890), (90, 3097), (95, 2934), (114, 2445), (163, 1710), (171, 1630), (190, 1467), (285, 978), (326, 855), (342, 815), (489, 570)]