26931660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{64123}}^1$

素因数の和:64142

約数の個数: 48

約数和(自身を含む): 86182656

約数和(自身を除く): 59250996

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 64123, 128246, 192369, 256492, 320615, 384738, 448861, 641230, 769476, 897722, 961845, 1282460, 1346583, 1795444, 1923690, 2244305, 2693166, 3847380, 4488610, 5386332, 6732915, 8977220, 13465830, 26931660]

約数ペア:

[(1, 26931660), (2, 13465830), (3, 8977220), (4, 6732915), (5, 5386332), (6, 4488610), (7, 3847380), (10, 2693166), (12, 2244305), (14, 1923690), (15, 1795444), (20, 1346583), (21, 1282460), (28, 961845), (30, 897722), (35, 769476), (42, 641230), (60, 448861), (70, 384738), (84, 320615), (105, 256492), (140, 192369), (210, 128246), (420, 64123)]