18420360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21929}}^1$

素因数の和:21950

約数の個数: 64

約数和(自身を含む): 63158400

約数和(自身を除く): 44738040

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, 21929, 43858, 65787, 87716, 109645, 131574, 153503, 175432, 219290, 263148, 307006, 328935, 438580, 460509, 526296, 614012, 657870, 767515, 877160, 921018, 1228024, 1315740, 1535030, 1842036, 2302545, 2631480, 3070060, 3684072, 4605090, 6140120, 9210180, 18420360]

約数ペア:

[(1, 18420360), (2, 9210180), (3, 6140120), (4, 4605090), (5, 3684072), (6, 3070060), (7, 2631480), (8, 2302545), (10, 1842036), (12, 1535030), (14, 1315740), (15, 1228024), (20, 921018), (21, 877160), (24, 767515), (28, 657870), (30, 614012), (35, 526296), (40, 460509), (42, 438580), (56, 328935), (60, 307006), (70, 263148), (84, 219290), (105, 175432), (120, 153503), (140, 131574), (168, 109645), (210, 87716), (280, 65787), (420, 43858), (840, 21929)]