81592960

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 204753780

約数和(自身を除く): 123160820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 241, 320, 368, 460, 482, 529, 640, 736, 920, 964, 1058, 1205, 1472, 1840, 1928, 2116, 2410, 2645, 2944, 3680, 3856, 4232, 4820, 5290, 5543, 7360, 7712, 8464, 9640, 10580, 11086, 14720, 15424, 16928, 19280, 21160, 22172, 27715, 30848, 33856, 38560, 42320, 44344, 55430, 67712, 77120, 84640, 88688, 110860, 127489, 154240, 169280, 177376, 221720, 254978, 338560, 354752, 443440, 509956, 637445, 709504, 886880, 1019912, 1274890, 1773760, 2039824, 2549780, 3547520, 4079648, 5099560, 8159296, 10199120, 16318592, 20398240, 40796480, 81592960]

約数ペア:

[(1, 81592960), (2, 40796480), (4, 20398240), (5, 16318592), (8, 10199120), (10, 8159296), (16, 5099560), (20, 4079648), (23, 3547520), (32, 2549780), (40, 2039824), (46, 1773760), (64, 1274890), (80, 1019912), (92, 886880), (115, 709504), (128, 637445), (160, 509956), (184, 443440), (230, 354752), (241, 338560), (320, 254978), (368, 221720), (460, 177376), (482, 169280), (529, 154240), (640, 127489), (736, 110860), (920, 88688), (964, 84640), (1058, 77120), (1205, 67712), (1472, 55430), (1840, 44344), (1928, 42320), (2116, 38560), (2410, 33856), (2645, 30848), (2944, 27715), (3680, 22172), (3856, 21160), (4232, 19280), (4820, 16928), (5290, 15424), (5543, 14720), (7360, 11086), (7712, 10580), (8464, 9640)]