157657600

素因数分解:

$2^9\times 5^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 120

約数和(自身を含む): 397681020

約数和(自身を除く): 240023420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 113, 128, 160, 200, 218, 226, 256, 320, 400, 436, 452, 512, 545, 565, 640, 800, 872, 904, 1090, 1130, 1280, 1600, 1744, 1808, 2180, 2260, 2560, 2725, 2825, 3200, 3488, 3616, 4360, 4520, 5450, 5650, 6400, 6976, 7232, 8720, 9040, 10900, 11300, 12317, 12800, 13952, 14464, 17440, 18080, 21800, 22600, 24634, 27904, 28928, 34880, 36160, 43600, 45200, 49268, 55808, 57856, 61585, 69760, 72320, 87200, 90400, 98536, 123170, 139520, 144640, 174400, 180800, 197072, 246340, 279040, 289280, 307925, 348800, 361600, 394144, 492680, 615850, 697600, 723200, 788288, 985360, 1231700, 1395200, 1446400, 1576576, 1970720, 2463400, 3153152, 3941440, 4926800, 6306304, 7882880, 9853600, 15765760, 19707200, 31531520, 39414400, 78828800, 157657600]

約数ペア:

[(1, 157657600), (2, 78828800), (4, 39414400), (5, 31531520), (8, 19707200), (10, 15765760), (16, 9853600), (20, 7882880), (25, 6306304), (32, 4926800), (40, 3941440), (50, 3153152), (64, 2463400), (80, 1970720), (100, 1576576), (109, 1446400), (113, 1395200), (128, 1231700), (160, 985360), (200, 788288), (218, 723200), (226, 697600), (256, 615850), (320, 492680), (400, 394144), (436, 361600), (452, 348800), (512, 307925), (545, 289280), (565, 279040), (640, 246340), (800, 197072), (872, 180800), (904, 174400), (1090, 144640), (1130, 139520), (1280, 123170), (1600, 98536), (1744, 90400), (1808, 87200), (2180, 72320), (2260, 69760), (2560, 61585), (2725, 57856), (2825, 55808), (3200, 49268), (3488, 45200), (3616, 43600), (4360, 36160), (4520, 34880), (5450, 28928), (5650, 27904), (6400, 24634), (6976, 22600), (7232, 21800), (8720, 18080), (9040, 17440), (10900, 14464), (11300, 13952), (12317, 12800)]