278988800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{5449}}^1$

素因数の和:5481

約数の個数: 72

約数和(自身を含む): 691850250

約数和(自身を除く): 412861450

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, 1024, 1280, 1600, 2048, 2560, 3200, 5120, 5449, 6400, 10240, 10898, 12800, 21796, 25600, 27245, 43592, 51200, 54490, 87184, 108980, 136225, 174368, 217960, 272450, 348736, 435920, 544900, 697472, 871840, 1089800, 1394944, 1743680, 2179600, 2789888, 3487360, 4359200, 5579776, 6974720, 8718400, 11159552, 13949440, 17436800, 27898880, 34873600, 55797760, 69747200, 139494400, 278988800]

約数ペア:

[(1, 278988800), (2, 139494400), (4, 69747200), (5, 55797760), (8, 34873600), (10, 27898880), (16, 17436800), (20, 13949440), (25, 11159552), (32, 8718400), (40, 6974720), (50, 5579776), (64, 4359200), (80, 3487360), (100, 2789888), (128, 2179600), (160, 1743680), (200, 1394944), (256, 1089800), (320, 871840), (400, 697472), (512, 544900), (640, 435920), (800, 348736), (1024, 272450), (1280, 217960), (1600, 174368), (2048, 136225), (2560, 108980), (3200, 87184), (5120, 54490), (5449, 51200), (6400, 43592), (10240, 27245), (10898, 25600), (12800, 21796)]