251089920

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{5449}}^1$

素因数の和:5480

約数の個数: 132

約数和(自身を含む): 870179700

約数和(自身を除く): 619089780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5449, 5760, 7680, 9216, 10898, 11520, 15360, 16347, 21796, 23040, 27245, 32694, 43592, 46080, 49041, 54490, 65388, 81735, 87184, 98082, 108980, 130776, 163470, 174368, 196164, 217960, 245205, 261552, 326940, 348736, 392328, 435920, 490410, 523104, 653880, 697472, 784656, 871840, 980820, 1046208, 1307760, 1394944, 1569312, 1743680, 1961640, 2092416, 2615520, 2789888, 3138624, 3487360, 3923280, 4184832, 5231040, 5579776, 6277248, 6974720, 7846560, 8369664, 10462080, 12554496, 13949440, 15693120, 16739328, 20924160, 25108992, 27898880, 31386240, 41848320, 50217984, 62772480, 83696640, 125544960, 251089920]

約数ペア:

[(1, 251089920), (2, 125544960), (3, 83696640), (4, 62772480), (5, 50217984), (6, 41848320), (8, 31386240), (9, 27898880), (10, 25108992), (12, 20924160), (15, 16739328), (16, 15693120), (18, 13949440), (20, 12554496), (24, 10462080), (30, 8369664), (32, 7846560), (36, 6974720), (40, 6277248), (45, 5579776), (48, 5231040), (60, 4184832), (64, 3923280), (72, 3487360), (80, 3138624), (90, 2789888), (96, 2615520), (120, 2092416), (128, 1961640), (144, 1743680), (160, 1569312), (180, 1394944), (192, 1307760), (240, 1046208), (256, 980820), (288, 871840), (320, 784656), (360, 697472), (384, 653880), (480, 523104), (512, 490410), (576, 435920), (640, 392328), (720, 348736), (768, 326940), (960, 261552), (1024, 245205), (1152, 217960), (1280, 196164), (1440, 174368), (1536, 163470), (1920, 130776), (2304, 108980), (2560, 98082), (2880, 87184), (3072, 81735), (3840, 65388), (4608, 54490), (5120, 49041), (5449, 46080), (5760, 43592), (7680, 32694), (9216, 27245), (10898, 23040), (11520, 21796), (15360, 16347)]