138600840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165001}}^1$

素因数の和:165022

約数の個数: 64

約数和(自身を含む): 475205760

約数和(自身を除く): 336604920

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, 165001, 330002, 495003, 660004, 825005, 990006, 1155007, 1320008, 1650010, 1980012, 2310014, 2475015, 3300020, 3465021, 3960024, 4620028, 4950030, 5775035, 6600040, 6930042, 9240056, 9900060, 11550070, 13860084, 17325105, 19800120, 23100140, 27720168, 34650210, 46200280, 69300420, 138600840]

約数ペア:

[(1, 138600840), (2, 69300420), (3, 46200280), (4, 34650210), (5, 27720168), (6, 23100140), (7, 19800120), (8, 17325105), (10, 13860084), (12, 11550070), (14, 9900060), (15, 9240056), (20, 6930042), (21, 6600040), (24, 5775035), (28, 4950030), (30, 4620028), (35, 3960024), (40, 3465021), (42, 3300020), (56, 2475015), (60, 2310014), (70, 1980012), (84, 1650010), (105, 1320008), (120, 1155007), (140, 990006), (168, 825005), (210, 660004), (280, 495003), (420, 330002), (840, 165001)]