51559620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{122761}}^1$

素因数の和:122780

約数の個数: 48

約数和(自身を含む): 164992128

約数和(自身を除く): 113432508

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, 122761, 245522, 368283, 491044, 613805, 736566, 859327, 1227610, 1473132, 1718654, 1841415, 2455220, 2577981, 3437308, 3682830, 4296635, 5155962, 7365660, 8593270, 10311924, 12889905, 17186540, 25779810, 51559620]

約数ペア:

[(1, 51559620), (2, 25779810), (3, 17186540), (4, 12889905), (5, 10311924), (6, 8593270), (7, 7365660), (10, 5155962), (12, 4296635), (14, 3682830), (15, 3437308), (20, 2577981), (21, 2455220), (28, 1841415), (30, 1718654), (35, 1473132), (42, 1227610), (60, 859327), (70, 736566), (84, 613805), (105, 491044), (140, 368283), (210, 245522), (420, 122761)]