605280680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{3181}}^1$

素因数の和:3330

約数の個数: 64

約数和(自身を含む): 1402116480

約数和(自身を除く): 796835800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 355, 536, 568, 670, 710, 1340, 1420, 2680, 2840, 3181, 4757, 6362, 9514, 12724, 15905, 19028, 23785, 25448, 31810, 38056, 47570, 63620, 95140, 127240, 190280, 213127, 225851, 426254, 451702, 852508, 903404, 1065635, 1129255, 1705016, 1806808, 2131270, 2258510, 4262540, 4517020, 8525080, 9034040, 15132017, 30264034, 60528068, 75660085, 121056136, 151320170, 302640340, 605280680]

約数ペア:

[(1, 605280680), (2, 302640340), (4, 151320170), (5, 121056136), (8, 75660085), (10, 60528068), (20, 30264034), (40, 15132017), (67, 9034040), (71, 8525080), (134, 4517020), (142, 4262540), (268, 2258510), (284, 2131270), (335, 1806808), (355, 1705016), (536, 1129255), (568, 1065635), (670, 903404), (710, 852508), (1340, 451702), (1420, 426254), (2680, 225851), (2840, 213127), (3181, 190280), (4757, 127240), (6362, 95140), (9514, 63620), (12724, 47570), (15905, 38056), (19028, 31810), (23785, 25448)]