8321280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 29139264

約数和(自身を除く): 20817984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 197, 220, 240, 256, 264, 320, 330, 352, 384, 394, 440, 480, 528, 591, 640, 660, 704, 768, 788, 880, 960, 985, 1056, 1182, 1280, 1320, 1408, 1576, 1760, 1920, 1970, 2112, 2167, 2364, 2640, 2816, 2955, 3152, 3520, 3840, 3940, 4224, 4334, 4728, 5280, 5910, 6304, 6501, 7040, 7880, 8448, 8668, 9456, 10560, 10835, 11820, 12608, 13002, 14080, 15760, 17336, 18912, 21120, 21670, 23640, 25216, 26004, 31520, 32505, 34672, 37824, 42240, 43340, 47280, 50432, 52008, 63040, 65010, 69344, 75648, 86680, 94560, 104016, 126080, 130020, 138688, 151296, 173360, 189120, 208032, 252160, 260040, 277376, 346720, 378240, 416064, 520080, 554752, 693440, 756480, 832128, 1040160, 1386880, 1664256, 2080320, 2773760, 4160640, 8321280]

約数ペア:

[(1, 8321280), (2, 4160640), (3, 2773760), (4, 2080320), (5, 1664256), (6, 1386880), (8, 1040160), (10, 832128), (11, 756480), (12, 693440), (15, 554752), (16, 520080), (20, 416064), (22, 378240), (24, 346720), (30, 277376), (32, 260040), (33, 252160), (40, 208032), (44, 189120), (48, 173360), (55, 151296), (60, 138688), (64, 130020), (66, 126080), (80, 104016), (88, 94560), (96, 86680), (110, 75648), (120, 69344), (128, 65010), (132, 63040), (160, 52008), (165, 50432), (176, 47280), (192, 43340), (197, 42240), (220, 37824), (240, 34672), (256, 32505), (264, 31520), (320, 26004), (330, 25216), (352, 23640), (384, 21670), (394, 21120), (440, 18912), (480, 17336), (528, 15760), (591, 14080), (640, 13002), (660, 12608), (704, 11820), (768, 10835), (788, 10560), (880, 9456), (960, 8668), (985, 8448), (1056, 7880), (1182, 7040), (1280, 6501), (1320, 6304), (1408, 5910), (1576, 5280), (1760, 4728), (1920, 4334), (1970, 4224), (2112, 3940), (2167, 3840), (2364, 3520), (2640, 3152), (2816, 2955)]