321374720

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2741

約数の個数: 80

約数和(自身を含む): 787235328

約数和(自身を除く): 465860608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1280, 1504, 1880, 2560, 2671, 3008, 3760, 5342, 6016, 7520, 10684, 12032, 13355, 15040, 21368, 24064, 26710, 30080, 42736, 53420, 60160, 85472, 106840, 120320, 125537, 170944, 213680, 251074, 341888, 427360, 502148, 627685, 683776, 854720, 1004296, 1255370, 1367552, 1709440, 2008592, 2510740, 3418880, 4017184, 5021480, 6837760, 8034368, 10042960, 16068736, 20085920, 32137472, 40171840, 64274944, 80343680, 160687360, 321374720]

約数ペア:

[(1, 321374720), (2, 160687360), (4, 80343680), (5, 64274944), (8, 40171840), (10, 32137472), (16, 20085920), (20, 16068736), (32, 10042960), (40, 8034368), (47, 6837760), (64, 5021480), (80, 4017184), (94, 3418880), (128, 2510740), (160, 2008592), (188, 1709440), (235, 1367552), (256, 1255370), (320, 1004296), (376, 854720), (470, 683776), (512, 627685), (640, 502148), (752, 427360), (940, 341888), (1280, 251074), (1504, 213680), (1880, 170944), (2560, 125537), (2671, 120320), (3008, 106840), (3760, 85472), (5342, 60160), (6016, 53420), (7520, 42736), (10684, 30080), (12032, 26710), (13355, 24064), (15040, 21368)]