1648220760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4578391}}^1$

素因数の和:4578408

約数の個数: 48

約数和(自身を含む): 5356718640

約数和(自身を除く): 3708497880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 4578391, 9156782, 13735173, 18313564, 22891955, 27470346, 36627128, 41205519, 45783910, 54940692, 68675865, 82411038, 91567820, 109881384, 137351730, 164822076, 183135640, 206027595, 274703460, 329644152, 412055190, 549406920, 824110380, 1648220760]

約数ペア:

[(1, 1648220760), (2, 824110380), (3, 549406920), (4, 412055190), (5, 329644152), (6, 274703460), (8, 206027595), (9, 183135640), (10, 164822076), (12, 137351730), (15, 109881384), (18, 91567820), (20, 82411038), (24, 68675865), (30, 54940692), (36, 45783910), (40, 41205519), (45, 36627128), (60, 27470346), (72, 22891955), (90, 18313564), (120, 13735173), (180, 9156782), (360, 4578391)]