18281520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25391}}^1$

素因数の和:25410

約数の個数: 60

約数和(自身を含む): 61397856

約数和(自身を除く): 43116336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25391, 50782, 76173, 101564, 126955, 152346, 203128, 228519, 253910, 304692, 380865, 406256, 457038, 507820, 609384, 761730, 914076, 1015640, 1142595, 1218768, 1523460, 1828152, 2031280, 2285190, 3046920, 3656304, 4570380, 6093840, 9140760, 18281520]

約数ペア:

[(1, 18281520), (2, 9140760), (3, 6093840), (4, 4570380), (5, 3656304), (6, 3046920), (8, 2285190), (9, 2031280), (10, 1828152), (12, 1523460), (15, 1218768), (16, 1142595), (18, 1015640), (20, 914076), (24, 761730), (30, 609384), (36, 507820), (40, 457038), (45, 406256), (48, 380865), (60, 304692), (72, 253910), (80, 228519), (90, 203128), (120, 152346), (144, 126955), (180, 101564), (240, 76173), (360, 50782), (720, 25391)]