27812820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{66221}}^1$

素因数の和:66240

約数の個数: 48

約数和(自身を含む): 89002368

約数和(自身を除く): 61189548

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, 66221, 132442, 198663, 264884, 331105, 397326, 463547, 662210, 794652, 927094, 993315, 1324420, 1390641, 1854188, 1986630, 2317735, 2781282, 3973260, 4635470, 5562564, 6953205, 9270940, 13906410, 27812820]

約数ペア:

[(1, 27812820), (2, 13906410), (3, 9270940), (4, 6953205), (5, 5562564), (6, 4635470), (7, 3973260), (10, 2781282), (12, 2317735), (14, 1986630), (15, 1854188), (20, 1390641), (21, 1324420), (28, 993315), (30, 927094), (35, 794652), (42, 662210), (60, 463547), (70, 397326), (84, 331105), (105, 264884), (140, 198663), (210, 132442), (420, 66221)]