61291080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{18917}}^1$

素因数の和:18940

約数の個数: 80

約数和(自身を含む): 206017020

約数和(自身を除く): 144725940

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, 18917, 37834, 56751, 75668, 94585, 113502, 151336, 170253, 189170, 227004, 283755, 340506, 378340, 454008, 510759, 567510, 681012, 756680, 851265, 1021518, 1135020, 1362024, 1532277, 1702530, 2043036, 2270040, 2553795, 3064554, 3405060, 4086072, 5107590, 6129108, 6810120, 7661385, 10215180, 12258216, 15322770, 20430360, 30645540, 61291080]

約数ペア:

[(1, 61291080), (2, 30645540), (3, 20430360), (4, 15322770), (5, 12258216), (6, 10215180), (8, 7661385), (9, 6810120), (10, 6129108), (12, 5107590), (15, 4086072), (18, 3405060), (20, 3064554), (24, 2553795), (27, 2270040), (30, 2043036), (36, 1702530), (40, 1532277), (45, 1362024), (54, 1135020), (60, 1021518), (72, 851265), (81, 756680), (90, 681012), (108, 567510), (120, 510759), (135, 454008), (162, 378340), (180, 340506), (216, 283755), (270, 227004), (324, 189170), (360, 170253), (405, 151336), (540, 113502), (648, 94585), (810, 75668), (1080, 56751), (1620, 37834), (3240, 18917)]