1320806480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2358583}}^1$

素因数の和:2358603

約数の個数: 40

約数和(自身を含む): 3509572992

約数和(自身を除く): 2188766512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2358583, 4717166, 9434332, 11792915, 16510081, 18868664, 23585830, 33020162, 37737328, 47171660, 66040324, 82550405, 94343320, 132080648, 165100810, 188686640, 264161296, 330201620, 660403240, 1320806480]

約数ペア:

[(1, 1320806480), (2, 660403240), (4, 330201620), (5, 264161296), (7, 188686640), (8, 165100810), (10, 132080648), (14, 94343320), (16, 82550405), (20, 66040324), (28, 47171660), (35, 37737328), (40, 33020162), (56, 23585830), (70, 18868664), (80, 16510081), (112, 11792915), (140, 9434332), (280, 4717166), (560, 2358583)]