164148180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390829}}^1$

素因数の和:390848

約数の個数: 48

約数和(自身を含む): 525275520

約数和(自身を除く): 361127340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 390829, 781658, 1172487, 1563316, 1954145, 2344974, 2735803, 3908290, 4689948, 5471606, 5862435, 7816580, 8207409, 10943212, 11724870, 13679015, 16414818, 23449740, 27358030, 32829636, 41037045, 54716060, 82074090, 164148180]

約数ペア:

[(1, 164148180), (2, 82074090), (3, 54716060), (4, 41037045), (5, 32829636), (6, 27358030), (7, 23449740), (10, 16414818), (12, 13679015), (14, 11724870), (15, 10943212), (20, 8207409), (21, 7816580), (28, 5862435), (30, 5471606), (35, 4689948), (42, 3908290), (60, 2735803), (70, 2344974), (84, 1954145), (105, 1563316), (140, 1172487), (210, 781658), (420, 390829)]