78342960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1657}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 244243296

約数和(自身を除く): 165900336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1657, 1970, 2364, 2955, 3152, 3314, 3940, 4728, 4971, 5910, 6628, 7880, 8285, 9456, 9942, 11820, 13256, 15760, 16570, 19884, 23640, 24855, 26512, 33140, 39768, 47280, 49710, 66280, 79536, 99420, 132560, 198840, 326429, 397680, 652858, 979287, 1305716, 1632145, 1958574, 2611432, 3264290, 3917148, 4896435, 5222864, 6528580, 7834296, 9792870, 13057160, 15668592, 19585740, 26114320, 39171480, 78342960]

約数ペア:

[(1, 78342960), (2, 39171480), (3, 26114320), (4, 19585740), (5, 15668592), (6, 13057160), (8, 9792870), (10, 7834296), (12, 6528580), (15, 5222864), (16, 4896435), (20, 3917148), (24, 3264290), (30, 2611432), (40, 1958574), (48, 1632145), (60, 1305716), (80, 979287), (120, 652858), (197, 397680), (240, 326429), (394, 198840), (591, 132560), (788, 99420), (985, 79536), (1182, 66280), (1576, 49710), (1657, 47280), (1970, 39768), (2364, 33140), (2955, 26512), (3152, 24855), (3314, 23640), (3940, 19884), (4728, 16570), (4971, 15760), (5910, 13256), (6628, 11820), (7880, 9942), (8285, 9456)]