67228740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2687}}^1$

素因数の和:2841

約数の個数: 72

約数和(自身を含む): 205470720

約数和(自身を除く): 138241980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2687, 2780, 4170, 5004, 5374, 6255, 8061, 8340, 10748, 12510, 13435, 16122, 24183, 25020, 26870, 32244, 40305, 48366, 53740, 80610, 96732, 120915, 161220, 241830, 373493, 483660, 746986, 1120479, 1493972, 1867465, 2240958, 3361437, 3734930, 4481916, 5602395, 6722874, 7469860, 11204790, 13445748, 16807185, 22409580, 33614370, 67228740]

約数ペア:

[(1, 67228740), (2, 33614370), (3, 22409580), (4, 16807185), (5, 13445748), (6, 11204790), (9, 7469860), (10, 6722874), (12, 5602395), (15, 4481916), (18, 3734930), (20, 3361437), (30, 2240958), (36, 1867465), (45, 1493972), (60, 1120479), (90, 746986), (139, 483660), (180, 373493), (278, 241830), (417, 161220), (556, 120915), (695, 96732), (834, 80610), (1251, 53740), (1390, 48366), (1668, 40305), (2085, 32244), (2502, 26870), (2687, 25020), (2780, 24183), (4170, 16122), (5004, 13435), (5374, 12510), (6255, 10748), (8061, 8340)]