81637650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4219}}^1$

素因数の和:4280

約数の個数: 72

約数和(自身を含む): 224487120

約数和(自身を除く): 142849470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1290, 1935, 2150, 3225, 3870, 4219, 6450, 8438, 9675, 12657, 19350, 21095, 25314, 37971, 42190, 63285, 75942, 105475, 126570, 181417, 189855, 210950, 316425, 362834, 379710, 544251, 632850, 907085, 949275, 1088502, 1632753, 1814170, 1898550, 2721255, 3265506, 4535425, 5442510, 8163765, 9070850, 13606275, 16327530, 27212550, 40818825, 81637650]

約数ペア:

[(1, 81637650), (2, 40818825), (3, 27212550), (5, 16327530), (6, 13606275), (9, 9070850), (10, 8163765), (15, 5442510), (18, 4535425), (25, 3265506), (30, 2721255), (43, 1898550), (45, 1814170), (50, 1632753), (75, 1088502), (86, 949275), (90, 907085), (129, 632850), (150, 544251), (215, 379710), (225, 362834), (258, 316425), (387, 210950), (430, 189855), (450, 181417), (645, 126570), (774, 105475), (1075, 75942), (1290, 63285), (1935, 42190), (2150, 37971), (3225, 25314), (3870, 21095), (4219, 19350), (6450, 12657), (8438, 9675)]