55640760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{66239}}^1$

素因数の和:66260

約数の個数: 64

約数和(自身を含む): 190771200

約数和(自身を除く): 135130440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 66239, 132478, 198717, 264956, 331195, 397434, 463673, 529912, 662390, 794868, 927346, 993585, 1324780, 1391019, 1589736, 1854692, 1987170, 2318365, 2649560, 2782038, 3709384, 3974340, 4636730, 5564076, 6955095, 7948680, 9273460, 11128152, 13910190, 18546920, 27820380, 55640760]

約数ペア:

[(1, 55640760), (2, 27820380), (3, 18546920), (4, 13910190), (5, 11128152), (6, 9273460), (7, 7948680), (8, 6955095), (10, 5564076), (12, 4636730), (14, 3974340), (15, 3709384), (20, 2782038), (21, 2649560), (24, 2318365), (28, 1987170), (30, 1854692), (35, 1589736), (40, 1391019), (42, 1324780), (56, 993585), (60, 927346), (70, 794868), (84, 662390), (105, 529912), (120, 463673), (140, 397434), (168, 331195), (210, 264956), (280, 198717), (420, 132478), (840, 66239)]