72870400

素因数分解:

$2^9\times 5^2\times {\mathrm{5693}}^1$

素因数の和:5721

約数の個数: 60

約数和(自身を含む): 180573822

約数和(自身を除く): 107703422

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 5693, 6400, 11386, 12800, 22772, 28465, 45544, 56930, 91088, 113860, 142325, 182176, 227720, 284650, 364352, 455440, 569300, 728704, 910880, 1138600, 1457408, 1821760, 2277200, 2914816, 3643520, 4554400, 7287040, 9108800, 14574080, 18217600, 36435200, 72870400]

約数ペア:

[(1, 72870400), (2, 36435200), (4, 18217600), (5, 14574080), (8, 9108800), (10, 7287040), (16, 4554400), (20, 3643520), (25, 2914816), (32, 2277200), (40, 1821760), (50, 1457408), (64, 1138600), (80, 910880), (100, 728704), (128, 569300), (160, 455440), (200, 364352), (256, 284650), (320, 227720), (400, 182176), (512, 142325), (640, 113860), (800, 91088), (1280, 56930), (1600, 45544), (2560, 28465), (3200, 22772), (5693, 12800), (6400, 11386)]