81376320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 277977600

約数和(自身を除く): 196601280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 37, 40, 48, 58, 60, 64, 74, 79, 80, 87, 96, 111, 116, 120, 145, 148, 158, 160, 174, 185, 192, 222, 232, 237, 240, 290, 296, 316, 320, 348, 370, 395, 435, 444, 464, 474, 480, 555, 580, 592, 632, 696, 740, 790, 870, 888, 928, 948, 960, 1073, 1110, 1160, 1184, 1185, 1264, 1392, 1480, 1580, 1740, 1776, 1856, 1896, 2146, 2220, 2291, 2320, 2368, 2370, 2528, 2784, 2923, 2960, 3160, 3219, 3480, 3552, 3792, 4292, 4440, 4582, 4640, 4740, 5056, 5365, 5568, 5846, 5920, 6320, 6438, 6873, 6960, 7104, 7584, 8584, 8769, 8880, 9164, 9280, 9480, 10730, 11455, 11692, 11840, 12640, 12876, 13746, 13920, 14615, 15168, 16095, 17168, 17538, 17760, 18328, 18960, 21460, 22910, 23384, 25280, 25752, 27492, 27840, 29230, 32190, 34336, 34365, 35076, 35520, 36656, 37920, 42920, 43845, 45820, 46768, 51504, 54984, 58460, 64380, 68672, 68730, 70152, 73312, 75840, 84767, 85840, 87690, 91640, 93536, 103008, 109968, 116920, 128760, 137460, 140304, 146624, 169534, 171680, 175380, 183280, 187072, 206016, 219936, 233840, 254301, 257520, 274920, 280608, 339068, 343360, 350760, 366560, 423835, 439872, 467680, 508602, 515040, 549840, 561216, 678136, 701520, 733120, 847670, 935360, 1017204, 1030080, 1099680, 1271505, 1356272, 1403040, 1695340, 2034408, 2199360, 2543010, 2712544, 2806080, 3390680, 4068816, 5086020, 5425088, 6781360, 8137632, 10172040, 13562720, 16275264, 20344080, 27125440, 40688160, 81376320]

約数ペア:

[(1, 81376320), (2, 40688160), (3, 27125440), (4, 20344080), (5, 16275264), (6, 13562720), (8, 10172040), (10, 8137632), (12, 6781360), (15, 5425088), (16, 5086020), (20, 4068816), (24, 3390680), (29, 2806080), (30, 2712544), (32, 2543010), (37, 2199360), (40, 2034408), (48, 1695340), (58, 1403040), (60, 1356272), (64, 1271505), (74, 1099680), (79, 1030080), (80, 1017204), (87, 935360), (96, 847670), (111, 733120), (116, 701520), (120, 678136), (145, 561216), (148, 549840), (158, 515040), (160, 508602), (174, 467680), (185, 439872), (192, 423835), (222, 366560), (232, 350760), (237, 343360), (240, 339068), (290, 280608), (296, 274920), (316, 257520), (320, 254301), (348, 233840), (370, 219936), (395, 206016), (435, 187072), (444, 183280), (464, 175380), (474, 171680), (480, 169534), (555, 146624), (580, 140304), (592, 137460), (632, 128760), (696, 116920), (740, 109968), (790, 103008), (870, 93536), (888, 91640), (928, 87690), (948, 85840), (960, 84767), (1073, 75840), (1110, 73312), (1160, 70152), (1184, 68730), (1185, 68672), (1264, 64380), (1392, 58460), (1480, 54984), (1580, 51504), (1740, 46768), (1776, 45820), (1856, 43845), (1896, 42920), (2146, 37920), (2220, 36656), (2291, 35520), (2320, 35076), (2368, 34365), (2370, 34336), (2528, 32190), (2784, 29230), (2923, 27840), (2960, 27492), (3160, 25752), (3219, 25280), (3480, 23384), (3552, 22910), (3792, 21460), (4292, 18960), (4440, 18328), (4582, 17760), (4640, 17538), (4740, 17168), (5056, 16095), (5365, 15168), (5568, 14615), (5846, 13920), (5920, 13746), (6320, 12876), (6438, 12640), (6873, 11840), (6960, 11692), (7104, 11455), (7584, 10730), (8584, 9480), (8769, 9280), (8880, 9164)]