212718120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17551}}^1$

素因数の和:17666

約数の個数: 64

約数和(自身を含む): 644509440

約数和(自身を除く): 431791320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 17551, 35102, 52653, 70204, 87755, 105306, 140408, 175510, 210612, 263265, 351020, 421224, 526530, 702040, 1053060, 1772651, 2106120, 3545302, 5317953, 7090604, 8863255, 10635906, 14181208, 17726510, 21271812, 26589765, 35453020, 42543624, 53179530, 70906040, 106359060, 212718120]

約数ペア:

[(1, 212718120), (2, 106359060), (3, 70906040), (4, 53179530), (5, 42543624), (6, 35453020), (8, 26589765), (10, 21271812), (12, 17726510), (15, 14181208), (20, 10635906), (24, 8863255), (30, 7090604), (40, 5317953), (60, 3545302), (101, 2106120), (120, 1772651), (202, 1053060), (303, 702040), (404, 526530), (505, 421224), (606, 351020), (808, 263265), (1010, 210612), (1212, 175510), (1515, 140408), (2020, 105306), (2424, 87755), (3030, 70204), (4040, 52653), (6060, 35102), (12120, 17551)]