200018040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8461}}^1$

素因数の和:8672

約数の個数: 64

約数和(自身を含む): 603171360

約数和(自身を除く): 403153320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3940, 4728, 5910, 7880, 8461, 11820, 16922, 23640, 25383, 33844, 42305, 50766, 67688, 84610, 101532, 126915, 169220, 203064, 253830, 338440, 507660, 1015320, 1666817, 3333634, 5000451, 6667268, 8334085, 10000902, 13334536, 16668170, 20001804, 25002255, 33336340, 40003608, 50004510, 66672680, 100009020, 200018040]

約数ペア:

[(1, 200018040), (2, 100009020), (3, 66672680), (4, 50004510), (5, 40003608), (6, 33336340), (8, 25002255), (10, 20001804), (12, 16668170), (15, 13334536), (20, 10000902), (24, 8334085), (30, 6667268), (40, 5000451), (60, 3333634), (120, 1666817), (197, 1015320), (394, 507660), (591, 338440), (788, 253830), (985, 203064), (1182, 169220), (1576, 126915), (1970, 101532), (2364, 84610), (2955, 67688), (3940, 50766), (4728, 42305), (5910, 33844), (7880, 25383), (8461, 23640), (11820, 16922)]