1280491860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21341531}}^1$

素因数の和:21341543

約数の個数: 24

約数和(自身を含む): 3585377376

約数和(自身を除く): 2304885516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21341531, 42683062, 64024593, 85366124, 106707655, 128049186, 213415310, 256098372, 320122965, 426830620, 640245930, 1280491860]

約数ペア:

[(1, 1280491860), (2, 640245930), (3, 426830620), (4, 320122965), (5, 256098372), (6, 213415310), (10, 128049186), (12, 106707655), (15, 85366124), (20, 64024593), (30, 42683062), (60, 21341531)]