90368000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 226142280

約数和(自身を除く): 135774280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 353, 400, 500, 512, 640, 706, 800, 1000, 1024, 1280, 1412, 1600, 1765, 2000, 2048, 2560, 2824, 3200, 3530, 4000, 5120, 5648, 6400, 7060, 8000, 8825, 10240, 11296, 12800, 14120, 16000, 17650, 22592, 25600, 28240, 32000, 35300, 44125, 45184, 51200, 56480, 64000, 70600, 88250, 90368, 112960, 128000, 141200, 176500, 180736, 225920, 256000, 282400, 353000, 361472, 451840, 564800, 706000, 722944, 903680, 1129600, 1412000, 1807360, 2259200, 2824000, 3614720, 4518400, 5648000, 9036800, 11296000, 18073600, 22592000, 45184000, 90368000]

約数ペア:

[(1, 90368000), (2, 45184000), (4, 22592000), (5, 18073600), (8, 11296000), (10, 9036800), (16, 5648000), (20, 4518400), (25, 3614720), (32, 2824000), (40, 2259200), (50, 1807360), (64, 1412000), (80, 1129600), (100, 903680), (125, 722944), (128, 706000), (160, 564800), (200, 451840), (250, 361472), (256, 353000), (320, 282400), (353, 256000), (400, 225920), (500, 180736), (512, 176500), (640, 141200), (706, 128000), (800, 112960), (1000, 90368), (1024, 88250), (1280, 70600), (1412, 64000), (1600, 56480), (1765, 51200), (2000, 45184), (2048, 44125), (2560, 35300), (2824, 32000), (3200, 28240), (3530, 25600), (4000, 22592), (5120, 17650), (5648, 16000), (6400, 14120), (7060, 12800), (8000, 11296), (8825, 10240)]