65209860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{40253}}^1$

素因数の和:40274

約数の個数: 60

約数和(自身を含む): 204570828

約数和(自身を除く): 139360968

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, 40253, 80506, 120759, 161012, 201265, 241518, 362277, 402530, 483036, 603795, 724554, 805060, 1086831, 1207590, 1449108, 1811385, 2173662, 2415180, 3260493, 3622770, 4347324, 5434155, 6520986, 7245540, 10868310, 13041972, 16302465, 21736620, 32604930, 65209860]

約数ペア:

[(1, 65209860), (2, 32604930), (3, 21736620), (4, 16302465), (5, 13041972), (6, 10868310), (9, 7245540), (10, 6520986), (12, 5434155), (15, 4347324), (18, 3622770), (20, 3260493), (27, 2415180), (30, 2173662), (36, 1811385), (45, 1449108), (54, 1207590), (60, 1086831), (81, 805060), (90, 724554), (108, 603795), (135, 483036), (162, 402530), (180, 362277), (270, 241518), (324, 201265), (405, 161012), (540, 120759), (810, 80506), (1620, 40253)]