321556480

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{2243}}^1$

素因数の和:2279

約数の個数: 104

約数和(自身を含む): 882268992

約数和(自身を除く): 560712512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2048, 2240, 2243, 2560, 3584, 4096, 4480, 4486, 5120, 7168, 8960, 8972, 10240, 11215, 14336, 15701, 17920, 17944, 20480, 22430, 28672, 31402, 35840, 35888, 44860, 62804, 71680, 71776, 78505, 89720, 125608, 143360, 143552, 157010, 179440, 251216, 287104, 314020, 358880, 502432, 574208, 628040, 717760, 1004864, 1148416, 1256080, 1435520, 2009728, 2296832, 2512160, 2871040, 4019456, 4593664, 5024320, 5742080, 8038912, 9187328, 10048640, 11484160, 16077824, 20097280, 22968320, 32155648, 40194560, 45936640, 64311296, 80389120, 160778240, 321556480]

約数ペア:

[(1, 321556480), (2, 160778240), (4, 80389120), (5, 64311296), (7, 45936640), (8, 40194560), (10, 32155648), (14, 22968320), (16, 20097280), (20, 16077824), (28, 11484160), (32, 10048640), (35, 9187328), (40, 8038912), (56, 5742080), (64, 5024320), (70, 4593664), (80, 4019456), (112, 2871040), (128, 2512160), (140, 2296832), (160, 2009728), (224, 1435520), (256, 1256080), (280, 1148416), (320, 1004864), (448, 717760), (512, 628040), (560, 574208), (640, 502432), (896, 358880), (1024, 314020), (1120, 287104), (1280, 251216), (1792, 179440), (2048, 157010), (2240, 143552), (2243, 143360), (2560, 125608), (3584, 89720), (4096, 78505), (4480, 71776), (4486, 71680), (5120, 62804), (7168, 44860), (8960, 35888), (8972, 35840), (10240, 31402), (11215, 28672), (14336, 22430), (15701, 20480), (17920, 17944)]