81409680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 240

約数和(自身を含む): 314533440

約数和(自身を除く): 233123760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 541, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1082, 1140, 1254, 1320, 1368, 1520, 1584, 1623, 1672, 1710, 1881, 1980, 2090, 2164, 2280, 2508, 2640, 2705, 2736, 3135, 3246, 3344, 3420, 3762, 3960, 4180, 4328, 4560, 4869, 5016, 5410, 5951, 6270, 6492, 6840, 7524, 7920, 8115, 8360, 8656, 9405, 9738, 10032, 10279, 10820, 11902, 12540, 12984, 13680, 15048, 16230, 16720, 17853, 18810, 19476, 20558, 21640, 23804, 24345, 25080, 25968, 29755, 30096, 30837, 32460, 35706, 37620, 38952, 41116, 43280, 47608, 48690, 50160, 51395, 53559, 59510, 61674, 64920, 71412, 75240, 77904, 82232, 89265, 92511, 95216, 97380, 102790, 107118, 113069, 119020, 123348, 129840, 142824, 150480, 154185, 164464, 178530, 185022, 194760, 205580, 214236, 226138, 238040, 246696, 267795, 285648, 308370, 339207, 357060, 370044, 389520, 411160, 428472, 452276, 462555, 476080, 493392, 535590, 565345, 616740, 678414, 714120, 740088, 822320, 856944, 904552, 925110, 1017621, 1071180, 1130690, 1233480, 1356828, 1428240, 1480176, 1696035, 1809104, 1850220, 2035242, 2142360, 2261380, 2466960, 2713656, 3392070, 3700440, 4070484, 4284720, 4522760, 5088105, 5427312, 6784140, 7400880, 8140968, 9045520, 10176210, 13568280, 16281936, 20352420, 27136560, 40704840, 81409680]

約数ペア:

[(1, 81409680), (2, 40704840), (3, 27136560), (4, 20352420), (5, 16281936), (6, 13568280), (8, 10176210), (9, 9045520), (10, 8140968), (11, 7400880), (12, 6784140), (15, 5427312), (16, 5088105), (18, 4522760), (19, 4284720), (20, 4070484), (22, 3700440), (24, 3392070), (30, 2713656), (33, 2466960), (36, 2261380), (38, 2142360), (40, 2035242), (44, 1850220), (45, 1809104), (48, 1696035), (55, 1480176), (57, 1428240), (60, 1356828), (66, 1233480), (72, 1130690), (76, 1071180), (80, 1017621), (88, 925110), (90, 904552), (95, 856944), (99, 822320), (110, 740088), (114, 714120), (120, 678414), (132, 616740), (144, 565345), (152, 535590), (165, 493392), (171, 476080), (176, 462555), (180, 452276), (190, 428472), (198, 411160), (209, 389520), (220, 370044), (228, 357060), (240, 339207), (264, 308370), (285, 285648), (304, 267795), (330, 246696), (342, 238040), (360, 226138), (380, 214236), (396, 205580), (418, 194760), (440, 185022), (456, 178530), (495, 164464), (528, 154185), (541, 150480), (570, 142824), (627, 129840), (660, 123348), (684, 119020), (720, 113069), (760, 107118), (792, 102790), (836, 97380), (855, 95216), (880, 92511), (912, 89265), (990, 82232), (1045, 77904), (1082, 75240), (1140, 71412), (1254, 64920), (1320, 61674), (1368, 59510), (1520, 53559), (1584, 51395), (1623, 50160), (1672, 48690), (1710, 47608), (1881, 43280), (1980, 41116), (2090, 38952), (2164, 37620), (2280, 35706), (2508, 32460), (2640, 30837), (2705, 30096), (2736, 29755), (3135, 25968), (3246, 25080), (3344, 24345), (3420, 23804), (3762, 21640), (3960, 20558), (4180, 19476), (4328, 18810), (4560, 17853), (4869, 16720), (5016, 16230), (5410, 15048), (5951, 13680), (6270, 12984), (6492, 12540), (6840, 11902), (7524, 10820), (7920, 10279), (8115, 10032), (8360, 9738), (8656, 9405)]