80744520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{672871}}^1$

素因数の和:672885

約数の個数: 32

約数和(自身を含む): 242233920

約数和(自身を除く): 161489400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 672871, 1345742, 2018613, 2691484, 3364355, 4037226, 5382968, 6728710, 8074452, 10093065, 13457420, 16148904, 20186130, 26914840, 40372260, 80744520]

約数ペア:

[(1, 80744520), (2, 40372260), (3, 26914840), (4, 20186130), (5, 16148904), (6, 13457420), (8, 10093065), (10, 8074452), (12, 6728710), (15, 5382968), (20, 4037226), (24, 3364355), (30, 2691484), (40, 2018613), (60, 1345742), (120, 672871)]