18768120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22343}}^1$

素因数の和:22364

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 45582600

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, 22343, 44686, 67029, 89372, 111715, 134058, 156401, 178744, 223430, 268116, 312802, 335145, 446860, 469203, 536232, 625604, 670290, 782005, 893720, 938406, 1251208, 1340580, 1564010, 1876812, 2346015, 2681160, 3128020, 3753624, 4692030, 6256040, 9384060, 18768120]

約数ペア:

[(1, 18768120), (2, 9384060), (3, 6256040), (4, 4692030), (5, 3753624), (6, 3128020), (7, 2681160), (8, 2346015), (10, 1876812), (12, 1564010), (14, 1340580), (15, 1251208), (20, 938406), (21, 893720), (24, 782005), (28, 670290), (30, 625604), (35, 536232), (40, 469203), (42, 446860), (56, 335145), (60, 312802), (70, 268116), (84, 223430), (105, 178744), (120, 156401), (140, 134058), (168, 111715), (210, 89372), (280, 67029), (420, 44686), (840, 22343)]