26687640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31771}}^1$

素因数の和:31792

約数の個数: 64

約数和(自身を含む): 91503360

約数和(自身を除く): 64815720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 31771, 63542, 95313, 127084, 158855, 190626, 222397, 254168, 317710, 381252, 444794, 476565, 635420, 667191, 762504, 889588, 953130, 1111985, 1270840, 1334382, 1779176, 1906260, 2223970, 2668764, 3335955, 3812520, 4447940, 5337528, 6671910, 8895880, 13343820, 26687640]

約数ペア:

[(1, 26687640), (2, 13343820), (3, 8895880), (4, 6671910), (5, 5337528), (6, 4447940), (7, 3812520), (8, 3335955), (10, 2668764), (12, 2223970), (14, 1906260), (15, 1779176), (20, 1334382), (21, 1270840), (24, 1111985), (28, 953130), (30, 889588), (35, 762504), (40, 667191), (42, 635420), (56, 476565), (60, 444794), (70, 381252), (84, 317710), (105, 254168), (120, 222397), (140, 190626), (168, 158855), (210, 127084), (280, 95313), (420, 63542), (840, 31771)]