90451080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{27917}}^1$

素因数の和:27940

約数の個数: 80

約数和(自身を含む): 304027020

約数和(自身を除く): 213575940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 27917, 55834, 83751, 111668, 139585, 167502, 223336, 251253, 279170, 335004, 418755, 502506, 558340, 670008, 753759, 837510, 1005012, 1116680, 1256265, 1507518, 1675020, 2010024, 2261277, 2512530, 3015036, 3350040, 3768795, 4522554, 5025060, 6030072, 7537590, 9045108, 10050120, 11306385, 15075180, 18090216, 22612770, 30150360, 45225540, 90451080]

約数ペア:

[(1, 90451080), (2, 45225540), (3, 30150360), (4, 22612770), (5, 18090216), (6, 15075180), (8, 11306385), (9, 10050120), (10, 9045108), (12, 7537590), (15, 6030072), (18, 5025060), (20, 4522554), (24, 3768795), (27, 3350040), (30, 3015036), (36, 2512530), (40, 2261277), (45, 2010024), (54, 1675020), (60, 1507518), (72, 1256265), (81, 1116680), (90, 1005012), (108, 837510), (120, 753759), (135, 670008), (162, 558340), (180, 502506), (216, 418755), (270, 335004), (324, 279170), (360, 251253), (405, 223336), (540, 167502), (648, 139585), (810, 111668), (1080, 83751), (1620, 55834), (3240, 27917)]