72320000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 110

約数和(自身を含む): 182252598

約数和(自身を除く): 109932598

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 113, 125, 128, 160, 200, 226, 250, 256, 320, 400, 452, 500, 512, 565, 625, 640, 800, 904, 1000, 1024, 1130, 1250, 1280, 1600, 1808, 2000, 2260, 2500, 2560, 2825, 3200, 3616, 4000, 4520, 5000, 5120, 5650, 6400, 7232, 8000, 9040, 10000, 11300, 12800, 14125, 14464, 16000, 18080, 20000, 22600, 25600, 28250, 28928, 32000, 36160, 40000, 45200, 56500, 57856, 64000, 70625, 72320, 80000, 90400, 113000, 115712, 128000, 141250, 144640, 160000, 180800, 226000, 282500, 289280, 320000, 361600, 452000, 565000, 578560, 640000, 723200, 904000, 1130000, 1446400, 1808000, 2260000, 2892800, 3616000, 4520000, 7232000, 9040000, 14464000, 18080000, 36160000, 72320000]

約数ペア:

[(1, 72320000), (2, 36160000), (4, 18080000), (5, 14464000), (8, 9040000), (10, 7232000), (16, 4520000), (20, 3616000), (25, 2892800), (32, 2260000), (40, 1808000), (50, 1446400), (64, 1130000), (80, 904000), (100, 723200), (113, 640000), (125, 578560), (128, 565000), (160, 452000), (200, 361600), (226, 320000), (250, 289280), (256, 282500), (320, 226000), (400, 180800), (452, 160000), (500, 144640), (512, 141250), (565, 128000), (625, 115712), (640, 113000), (800, 90400), (904, 80000), (1000, 72320), (1024, 70625), (1130, 64000), (1250, 57856), (1280, 56500), (1600, 45200), (1808, 40000), (2000, 36160), (2260, 32000), (2500, 28928), (2560, 28250), (2825, 25600), (3200, 22600), (3616, 20000), (4000, 18080), (4520, 16000), (5000, 14464), (5120, 14125), (5650, 12800), (6400, 11300), (7232, 10000), (8000, 9040)]