1283240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4583}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 3300480

約数和(自身を除く): 2017240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4583, 9166, 18332, 22915, 32081, 36664, 45830, 64162, 91660, 128324, 160405, 183320, 256648, 320810, 641620, 1283240]

約数ペア:

[(1, 1283240), (2, 641620), (4, 320810), (5, 256648), (7, 183320), (8, 160405), (10, 128324), (14, 91660), (20, 64162), (28, 45830), (35, 36664), (40, 32081), (56, 22915), (70, 18332), (140, 9166), (280, 4583)]