81595360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 248209920

約数和(自身を除く): 166614560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 160, 176, 179, 185, 220, 224, 259, 280, 296, 308, 352, 358, 370, 385, 407, 440, 518, 560, 592, 616, 716, 740, 770, 814, 880, 895, 1036, 1120, 1184, 1232, 1253, 1295, 1432, 1480, 1540, 1628, 1760, 1790, 1969, 2035, 2072, 2464, 2506, 2590, 2849, 2864, 2960, 3080, 3256, 3580, 3938, 4070, 4144, 5012, 5180, 5698, 5728, 5920, 6160, 6265, 6512, 6623, 7160, 7876, 8140, 8288, 9845, 10024, 10360, 11396, 12320, 12530, 13024, 13246, 13783, 14245, 14320, 15752, 16280, 19690, 20048, 20720, 22792, 25060, 26492, 27566, 28490, 28640, 31504, 32560, 33115, 39380, 40096, 41440, 45584, 46361, 50120, 52984, 55132, 56980, 63008, 65120, 66230, 68915, 72853, 78760, 91168, 92722, 100240, 105968, 110264, 113960, 132460, 137830, 145706, 157520, 185444, 200480, 211936, 220528, 227920, 231805, 264920, 275660, 291412, 315040, 364265, 370888, 441056, 455840, 463610, 509971, 529840, 551320, 582824, 728530, 741776, 927220, 1019942, 1059680, 1102640, 1165648, 1457060, 1483552, 1854440, 2039884, 2205280, 2331296, 2549855, 2914120, 3708880, 4079768, 5099710, 5828240, 7417760, 8159536, 10199420, 11656480, 16319072, 20398840, 40797680, 81595360]

約数ペア:

[(1, 81595360), (2, 40797680), (4, 20398840), (5, 16319072), (7, 11656480), (8, 10199420), (10, 8159536), (11, 7417760), (14, 5828240), (16, 5099710), (20, 4079768), (22, 3708880), (28, 2914120), (32, 2549855), (35, 2331296), (37, 2205280), (40, 2039884), (44, 1854440), (55, 1483552), (56, 1457060), (70, 1165648), (74, 1102640), (77, 1059680), (80, 1019942), (88, 927220), (110, 741776), (112, 728530), (140, 582824), (148, 551320), (154, 529840), (160, 509971), (176, 463610), (179, 455840), (185, 441056), (220, 370888), (224, 364265), (259, 315040), (280, 291412), (296, 275660), (308, 264920), (352, 231805), (358, 227920), (370, 220528), (385, 211936), (407, 200480), (440, 185444), (518, 157520), (560, 145706), (592, 137830), (616, 132460), (716, 113960), (740, 110264), (770, 105968), (814, 100240), (880, 92722), (895, 91168), (1036, 78760), (1120, 72853), (1184, 68915), (1232, 66230), (1253, 65120), (1295, 63008), (1432, 56980), (1480, 55132), (1540, 52984), (1628, 50120), (1760, 46361), (1790, 45584), (1969, 41440), (2035, 40096), (2072, 39380), (2464, 33115), (2506, 32560), (2590, 31504), (2849, 28640), (2864, 28490), (2960, 27566), (3080, 26492), (3256, 25060), (3580, 22792), (3938, 20720), (4070, 20048), (4144, 19690), (5012, 16280), (5180, 15752), (5698, 14320), (5728, 14245), (5920, 13783), (6160, 13246), (6265, 13024), (6512, 12530), (6623, 12320), (7160, 11396), (7876, 10360), (8140, 10024), (8288, 9845)]