22680

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1$

素因数の和:30

約数の個数: 80

約数和(自身を含む): 87120

約数和(自身を除く): 64440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680]

約数ペア:

[(1, 22680), (2, 11340), (3, 7560), (4, 5670), (5, 4536), (6, 3780), (7, 3240), (8, 2835), (9, 2520), (10, 2268), (12, 1890), (14, 1620), (15, 1512), (18, 1260), (20, 1134), (21, 1080), (24, 945), (27, 840), (28, 810), (30, 756), (35, 648), (36, 630), (40, 567), (42, 540), (45, 504), (54, 420), (56, 405), (60, 378), (63, 360), (70, 324), (72, 315), (81, 280), (84, 270), (90, 252), (105, 216), (108, 210), (120, 189), (126, 180), (135, 168), (140, 162)]