80476920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223547}}^1$

素因数の和:223564

約数の個数: 48

約数和(自身を含む): 261551160

約数和(自身を除く): 181074240

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, 223547, 447094, 670641, 894188, 1117735, 1341282, 1788376, 2011923, 2235470, 2682564, 3353205, 4023846, 4470940, 5365128, 6706410, 8047692, 8941880, 10059615, 13412820, 16095384, 20119230, 26825640, 40238460, 80476920]

約数ペア:

[(1, 80476920), (2, 40238460), (3, 26825640), (4, 20119230), (5, 16095384), (6, 13412820), (8, 10059615), (9, 8941880), (10, 8047692), (12, 6706410), (15, 5365128), (18, 4470940), (20, 4023846), (24, 3353205), (30, 2682564), (36, 2235470), (40, 2011923), (45, 1788376), (60, 1341282), (72, 1117735), (90, 894188), (120, 670641), (180, 447094), (360, 223547)]