30032920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 72864000

約数和(自身を除く): 42831080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 919, 1634, 1720, 1838, 3268, 3676, 4085, 4595, 6536, 7352, 8170, 9190, 16340, 17461, 18380, 32680, 34922, 36760, 39517, 69844, 79034, 87305, 139688, 158068, 174610, 197585, 316136, 349220, 395170, 698440, 750823, 790340, 1501646, 1580680, 3003292, 3754115, 6006584, 7508230, 15016460, 30032920]

約数ペア:

[(1, 30032920), (2, 15016460), (4, 7508230), (5, 6006584), (8, 3754115), (10, 3003292), (19, 1580680), (20, 1501646), (38, 790340), (40, 750823), (43, 698440), (76, 395170), (86, 349220), (95, 316136), (152, 197585), (172, 174610), (190, 158068), (215, 139688), (344, 87305), (380, 79034), (430, 69844), (760, 39517), (817, 36760), (860, 34922), (919, 32680), (1634, 18380), (1720, 17461), (1838, 16340), (3268, 9190), (3676, 8170), (4085, 7352), (4595, 6536)]