660577840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37363}}^1$

素因数の和:37406

約数の個数: 80

約数和(自身を含む): 1751325408

約数和(自身を除く): 1090747568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 37363, 74726, 149452, 186815, 298904, 373630, 485719, 597808, 635171, 747260, 971438, 1270342, 1494520, 1942876, 2428595, 2540684, 2989040, 3175855, 3885752, 4857190, 5081368, 6351710, 7771504, 8257223, 9714380, 10162736, 12703420, 16514446, 19428760, 25406840, 33028892, 38857520, 41286115, 50813680, 66057784, 82572230, 132115568, 165144460, 330288920, 660577840]

約数ペア:

[(1, 660577840), (2, 330288920), (4, 165144460), (5, 132115568), (8, 82572230), (10, 66057784), (13, 50813680), (16, 41286115), (17, 38857520), (20, 33028892), (26, 25406840), (34, 19428760), (40, 16514446), (52, 12703420), (65, 10162736), (68, 9714380), (80, 8257223), (85, 7771504), (104, 6351710), (130, 5081368), (136, 4857190), (170, 3885752), (208, 3175855), (221, 2989040), (260, 2540684), (272, 2428595), (340, 1942876), (442, 1494520), (520, 1270342), (680, 971438), (884, 747260), (1040, 635171), (1105, 597808), (1360, 485719), (1768, 373630), (2210, 298904), (3536, 186815), (4420, 149452), (8840, 74726), (17680, 37363)]