20167979520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2675

約数の個数: 320

約数和(自身を含む): 70340497920

約数和(自身を除く): 50172518400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 79, 80, 96, 104, 120, 128, 130, 156, 158, 160, 192, 195, 208, 237, 240, 256, 260, 312, 316, 320, 384, 390, 395, 416, 474, 480, 512, 520, 624, 632, 640, 768, 780, 790, 832, 948, 960, 1027, 1040, 1185, 1248, 1264, 1280, 1536, 1560, 1580, 1664, 1896, 1920, 2054, 2080, 2370, 2496, 2528, 2557, 2560, 3081, 3120, 3160, 3328, 3792, 3840, 4108, 4160, 4740, 4992, 5056, 5114, 5135, 6162, 6240, 6320, 6656, 7584, 7671, 7680, 8216, 8320, 9480, 9984, 10112, 10228, 10270, 12324, 12480, 12640, 12785, 15168, 15342, 15405, 16432, 16640, 18960, 19968, 20224, 20456, 20540, 24648, 24960, 25280, 25570, 30336, 30684, 30810, 32864, 33241, 33280, 37920, 38355, 40448, 40912, 41080, 49296, 49920, 50560, 51140, 60672, 61368, 61620, 65728, 66482, 75840, 76710, 81824, 82160, 98592, 99723, 99840, 101120, 102280, 121344, 122736, 123240, 131456, 132964, 151680, 153420, 163648, 164320, 166205, 197184, 199446, 202003, 202240, 204560, 245472, 246480, 262912, 265928, 303360, 306840, 327296, 328640, 332410, 394368, 398892, 404006, 409120, 490944, 492960, 498615, 525824, 531856, 606009, 606720, 613680, 654592, 657280, 664820, 788736, 797784, 808012, 818240, 981888, 985920, 997230, 1010015, 1063712, 1212018, 1227360, 1309184, 1314560, 1329640, 1577472, 1595568, 1616024, 1636480, 1963776, 1971840, 1994460, 2020030, 2127424, 2424036, 2454720, 2626039, 2629120, 2659280, 3030045, 3191136, 3232048, 3272960, 3927552, 3943680, 3988920, 4040060, 4254848, 4848072, 4909440, 5252078, 5318560, 6060090, 6382272, 6464096, 6545920, 7878117, 7887360, 7977840, 8080120, 8509696, 9696144, 9818880, 10504156, 10637120, 12120180, 12764544, 12928192, 13130195, 15756234, 15955680, 16160240, 17019392, 19392288, 19637760, 21008312, 21274240, 24240360, 25529088, 25856384, 26260390, 31512468, 31911360, 32320480, 38784576, 39390585, 42016624, 42548480, 48480720, 51058176, 51712768, 52520780, 63024936, 63822720, 64640960, 77569152, 78781170, 84033248, 85096960, 96961440, 103425536, 105041560, 126049872, 127645440, 129281920, 155138304, 157562340, 168066496, 193922880, 210083120, 252099744, 255290880, 258563840, 310276608, 315124680, 336132992, 387845760, 420166240, 504199488, 517127680, 630249360, 672265984, 775691520, 840332480, 1008398976, 1260498720, 1344531968, 1551383040, 1680664960, 2016797952, 2520997440, 3361329920, 4033595904, 5041994880, 6722659840, 10083989760, 20167979520]

約数ペア:

[(1, 20167979520), (2, 10083989760), (3, 6722659840), (4, 5041994880), (5, 4033595904), (6, 3361329920), (8, 2520997440), (10, 2016797952), (12, 1680664960), (13, 1551383040), (15, 1344531968), (16, 1260498720), (20, 1008398976), (24, 840332480), (26, 775691520), (30, 672265984), (32, 630249360), (39, 517127680), (40, 504199488), (48, 420166240), (52, 387845760), (60, 336132992), (64, 315124680), (65, 310276608), (78, 258563840), (79, 255290880), (80, 252099744), (96, 210083120), (104, 193922880), (120, 168066496), (128, 157562340), (130, 155138304), (156, 129281920), (158, 127645440), (160, 126049872), (192, 105041560), (195, 103425536), (208, 96961440), (237, 85096960), (240, 84033248), (256, 78781170), (260, 77569152), (312, 64640960), (316, 63822720), (320, 63024936), (384, 52520780), (390, 51712768), (395, 51058176), (416, 48480720), (474, 42548480), (480, 42016624), (512, 39390585), (520, 38784576), (624, 32320480), (632, 31911360), (640, 31512468), (768, 26260390), (780, 25856384), (790, 25529088), (832, 24240360), (948, 21274240), (960, 21008312), (1027, 19637760), (1040, 19392288), (1185, 17019392), (1248, 16160240), (1264, 15955680), (1280, 15756234), (1536, 13130195), (1560, 12928192), (1580, 12764544), (1664, 12120180), (1896, 10637120), (1920, 10504156), (2054, 9818880), (2080, 9696144), (2370, 8509696), (2496, 8080120), (2528, 7977840), (2557, 7887360), (2560, 7878117), (3081, 6545920), (3120, 6464096), (3160, 6382272), (3328, 6060090), (3792, 5318560), (3840, 5252078), (4108, 4909440), (4160, 4848072), (4740, 4254848), (4992, 4040060), (5056, 3988920), (5114, 3943680), (5135, 3927552), (6162, 3272960), (6240, 3232048), (6320, 3191136), (6656, 3030045), (7584, 2659280), (7671, 2629120), (7680, 2626039), (8216, 2454720), (8320, 2424036), (9480, 2127424), (9984, 2020030), (10112, 1994460), (10228, 1971840), (10270, 1963776), (12324, 1636480), (12480, 1616024), (12640, 1595568), (12785, 1577472), (15168, 1329640), (15342, 1314560), (15405, 1309184), (16432, 1227360), (16640, 1212018), (18960, 1063712), (19968, 1010015), (20224, 997230), (20456, 985920), (20540, 981888), (24648, 818240), (24960, 808012), (25280, 797784), (25570, 788736), (30336, 664820), (30684, 657280), (30810, 654592), (32864, 613680), (33241, 606720), (33280, 606009), (37920, 531856), (38355, 525824), (40448, 498615), (40912, 492960), (41080, 490944), (49296, 409120), (49920, 404006), (50560, 398892), (51140, 394368), (60672, 332410), (61368, 328640), (61620, 327296), (65728, 306840), (66482, 303360), (75840, 265928), (76710, 262912), (81824, 246480), (82160, 245472), (98592, 204560), (99723, 202240), (99840, 202003), (101120, 199446), (102280, 197184), (121344, 166205), (122736, 164320), (123240, 163648), (131456, 153420), (132964, 151680)]