2018220720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{33503}}^1$

素因数の和:33770

約数の個数: 80

約数和(自身を含む): 6281597952

約数和(自身を除く): 4263377232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1255, 1506, 2008, 2510, 3012, 3765, 4016, 5020, 6024, 7530, 10040, 12048, 15060, 20080, 30120, 33503, 60240, 67006, 100509, 134012, 167515, 201018, 268024, 335030, 402036, 502545, 536048, 670060, 804072, 1005090, 1340120, 1608144, 2010180, 2680240, 4020360, 8040720, 8409253, 16818506, 25227759, 33637012, 42046265, 50455518, 67274024, 84092530, 100911036, 126138795, 134548048, 168185060, 201822072, 252277590, 336370120, 403644144, 504555180, 672740240, 1009110360, 2018220720]

約数ペア:

[(1, 2018220720), (2, 1009110360), (3, 672740240), (4, 504555180), (5, 403644144), (6, 336370120), (8, 252277590), (10, 201822072), (12, 168185060), (15, 134548048), (16, 126138795), (20, 100911036), (24, 84092530), (30, 67274024), (40, 50455518), (48, 42046265), (60, 33637012), (80, 25227759), (120, 16818506), (240, 8409253), (251, 8040720), (502, 4020360), (753, 2680240), (1004, 2010180), (1255, 1608144), (1506, 1340120), (2008, 1005090), (2510, 804072), (3012, 670060), (3765, 536048), (4016, 502545), (5020, 402036), (6024, 335030), (7530, 268024), (10040, 201018), (12048, 167515), (15060, 134012), (20080, 100509), (30120, 67006), (33503, 60240)]