144640000

素因数分解:

$2^{11}\times 5^4\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 364594230

約数和(自身を除く): 219954230

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, 2048, 2260, 2500, 2560, 2825, 3200, 3616, 4000, 4520, 5000, 5120, 5650, 6400, 7232, 8000, 9040, 10000, 10240, 11300, 12800, 14125, 14464, 16000, 18080, 20000, 22600, 25600, 28250, 28928, 32000, 36160, 40000, 45200, 51200, 56500, 57856, 64000, 70625, 72320, 80000, 90400, 113000, 115712, 128000, 141250, 144640, 160000, 180800, 226000, 231424, 256000, 282500, 289280, 320000, 361600, 452000, 565000, 578560, 640000, 723200, 904000, 1130000, 1157120, 1280000, 1446400, 1808000, 2260000, 2892800, 3616000, 4520000, 5785600, 7232000, 9040000, 14464000, 18080000, 28928000, 36160000, 72320000, 144640000]

約数ペア:

[(1, 144640000), (2, 72320000), (4, 36160000), (5, 28928000), (8, 18080000), (10, 14464000), (16, 9040000), (20, 7232000), (25, 5785600), (32, 4520000), (40, 3616000), (50, 2892800), (64, 2260000), (80, 1808000), (100, 1446400), (113, 1280000), (125, 1157120), (128, 1130000), (160, 904000), (200, 723200), (226, 640000), (250, 578560), (256, 565000), (320, 452000), (400, 361600), (452, 320000), (500, 289280), (512, 282500), (565, 256000), (625, 231424), (640, 226000), (800, 180800), (904, 160000), (1000, 144640), (1024, 141250), (1130, 128000), (1250, 115712), (1280, 113000), (1600, 90400), (1808, 80000), (2000, 72320), (2048, 70625), (2260, 64000), (2500, 57856), (2560, 56500), (2825, 51200), (3200, 45200), (3616, 40000), (4000, 36160), (4520, 32000), (5000, 28928), (5120, 28250), (5650, 25600), (6400, 22600), (7232, 20000), (8000, 18080), (9040, 16000), (10000, 14464), (10240, 14125), (11300, 12800)]