80460800

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 132

約数和(自身を含む): 228445200

約数和(自身を除く): 147984400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 449, 512, 560, 640, 700, 800, 896, 898, 1024, 1120, 1280, 1400, 1600, 1792, 1796, 2240, 2245, 2560, 2800, 3143, 3200, 3584, 3592, 4480, 4490, 5120, 5600, 6286, 6400, 7168, 7184, 8960, 8980, 11200, 11225, 12572, 12800, 14368, 15715, 17920, 17960, 22400, 22450, 25144, 25600, 28736, 31430, 35840, 35920, 44800, 44900, 50288, 57472, 62860, 71840, 78575, 89600, 89800, 100576, 114944, 125720, 143680, 157150, 179200, 179600, 201152, 229888, 251440, 287360, 314300, 359200, 402304, 459776, 502880, 574720, 628600, 718400, 804608, 1005760, 1149440, 1257200, 1436800, 1609216, 2011520, 2298880, 2514400, 2873600, 3218432, 4023040, 5028800, 5747200, 8046080, 10057600, 11494400, 16092160, 20115200, 40230400, 80460800]

約数ペア:

[(1, 80460800), (2, 40230400), (4, 20115200), (5, 16092160), (7, 11494400), (8, 10057600), (10, 8046080), (14, 5747200), (16, 5028800), (20, 4023040), (25, 3218432), (28, 2873600), (32, 2514400), (35, 2298880), (40, 2011520), (50, 1609216), (56, 1436800), (64, 1257200), (70, 1149440), (80, 1005760), (100, 804608), (112, 718400), (128, 628600), (140, 574720), (160, 502880), (175, 459776), (200, 402304), (224, 359200), (256, 314300), (280, 287360), (320, 251440), (350, 229888), (400, 201152), (448, 179600), (449, 179200), (512, 157150), (560, 143680), (640, 125720), (700, 114944), (800, 100576), (896, 89800), (898, 89600), (1024, 78575), (1120, 71840), (1280, 62860), (1400, 57472), (1600, 50288), (1792, 44900), (1796, 44800), (2240, 35920), (2245, 35840), (2560, 31430), (2800, 28736), (3143, 25600), (3200, 25144), (3584, 22450), (3592, 22400), (4480, 17960), (4490, 17920), (5120, 15715), (5600, 14368), (6286, 12800), (6400, 12572), (7168, 11225), (7184, 11200), (8960, 8980)]