27801620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2579}}^1$

素因数の和:2613

約数の個数: 72

約数和(自身を含む): 74118240

約数和(自身を除く): 46316620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2579, 2695, 5158, 5390, 10316, 10780, 12895, 18053, 25790, 28369, 36106, 51580, 56738, 72212, 90265, 113476, 126371, 141845, 180530, 198583, 252742, 283690, 361060, 397166, 505484, 567380, 631855, 794332, 992915, 1263710, 1390081, 1985830, 2527420, 2780162, 3971660, 5560324, 6950405, 13900810, 27801620]

約数ペア:

[(1, 27801620), (2, 13900810), (4, 6950405), (5, 5560324), (7, 3971660), (10, 2780162), (11, 2527420), (14, 1985830), (20, 1390081), (22, 1263710), (28, 992915), (35, 794332), (44, 631855), (49, 567380), (55, 505484), (70, 397166), (77, 361060), (98, 283690), (110, 252742), (140, 198583), (154, 180530), (196, 141845), (220, 126371), (245, 113476), (308, 90265), (385, 72212), (490, 56738), (539, 51580), (770, 36106), (980, 28369), (1078, 25790), (1540, 18053), (2156, 12895), (2579, 10780), (2695, 10316), (5158, 5390)]