488656640

素因数分解:

$2^8\times 5^1\times {\mathrm{479}}^1\times {\mathrm{797}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 1174400640

約数和(自身を除く): 685744000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 479, 640, 797, 958, 1280, 1594, 1916, 2395, 3188, 3832, 3985, 4790, 6376, 7664, 7970, 9580, 12752, 15328, 15940, 19160, 25504, 30656, 31880, 38320, 51008, 61312, 63760, 76640, 102016, 122624, 127520, 153280, 204032, 255040, 306560, 381763, 510080, 613120, 763526, 1020160, 1527052, 1908815, 3054104, 3817630, 6108208, 7635260, 12216416, 15270520, 24432832, 30541040, 48865664, 61082080, 97731328, 122164160, 244328320, 488656640]

約数ペア:

[(1, 488656640), (2, 244328320), (4, 122164160), (5, 97731328), (8, 61082080), (10, 48865664), (16, 30541040), (20, 24432832), (32, 15270520), (40, 12216416), (64, 7635260), (80, 6108208), (128, 3817630), (160, 3054104), (256, 1908815), (320, 1527052), (479, 1020160), (640, 763526), (797, 613120), (958, 510080), (1280, 381763), (1594, 306560), (1916, 255040), (2395, 204032), (3188, 153280), (3832, 127520), (3985, 122624), (4790, 102016), (6376, 76640), (7664, 63760), (7970, 61312), (9580, 51008), (12752, 38320), (15328, 31880), (15940, 30656), (19160, 25504)]