221536620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{136751}}^1$

素因数の和:136772

約数の個数: 60

約数和(自身を含む): 694973664

約数和(自身を除く): 473437044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 136751, 273502, 410253, 547004, 683755, 820506, 1230759, 1367510, 1641012, 2051265, 2461518, 2735020, 3692277, 4102530, 4923036, 6153795, 7384554, 8205060, 11076831, 12307590, 14769108, 18461385, 22153662, 24615180, 36922770, 44307324, 55384155, 73845540, 110768310, 221536620]

約数ペア:

[(1, 221536620), (2, 110768310), (3, 73845540), (4, 55384155), (5, 44307324), (6, 36922770), (9, 24615180), (10, 22153662), (12, 18461385), (15, 14769108), (18, 12307590), (20, 11076831), (27, 8205060), (30, 7384554), (36, 6153795), (45, 4923036), (54, 4102530), (60, 3692277), (81, 2735020), (90, 2461518), (108, 2051265), (135, 1641012), (162, 1367510), (180, 1230759), (270, 820506), (324, 683755), (405, 547004), (540, 410253), (810, 273502), (1620, 136751)]