18480720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77003}}^1$

素因数の和:77019

約数の個数: 40

約数和(自身を含む): 57290976

約数和(自身を除く): 38810256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77003, 154006, 231009, 308012, 385015, 462018, 616024, 770030, 924036, 1155045, 1232048, 1540060, 1848072, 2310090, 3080120, 3696144, 4620180, 6160240, 9240360, 18480720]

約数ペア:

[(1, 18480720), (2, 9240360), (3, 6160240), (4, 4620180), (5, 3696144), (6, 3080120), (8, 2310090), (10, 1848072), (12, 1540060), (15, 1232048), (16, 1155045), (20, 924036), (24, 770030), (30, 616024), (40, 462018), (48, 385015), (60, 308012), (80, 231009), (120, 154006), (240, 77003)]