20156172960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7681}}^1$

素因数の和:7788

約数の個数: 384

約数和(自身を含む): 80284151808

約数和(自身を除く): 60127978848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 71, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 142, 154, 160, 165, 168, 176, 210, 213, 220, 224, 231, 240, 264, 280, 284, 308, 330, 336, 352, 355, 385, 420, 426, 440, 462, 480, 497, 528, 560, 568, 616, 660, 672, 710, 770, 781, 840, 852, 880, 924, 994, 1056, 1065, 1120, 1136, 1155, 1232, 1320, 1420, 1491, 1540, 1562, 1680, 1704, 1760, 1848, 1988, 2130, 2272, 2310, 2343, 2464, 2485, 2640, 2840, 2982, 3080, 3124, 3360, 3408, 3696, 3905, 3976, 4260, 4620, 4686, 4970, 5280, 5467, 5680, 5964, 6160, 6248, 6816, 7392, 7455, 7681, 7810, 7952, 8520, 9240, 9372, 9940, 10934, 11360, 11715, 11928, 12320, 12496, 14910, 15362, 15620, 15904, 16401, 17040, 18480, 18744, 19880, 21868, 23043, 23430, 23856, 24992, 27335, 29820, 30724, 31240, 32802, 34080, 36960, 37488, 38405, 39760, 43736, 46086, 46860, 47712, 53767, 54670, 59640, 61448, 62480, 65604, 74976, 76810, 79520, 82005, 84491, 87472, 92172, 93720, 107534, 109340, 115215, 119280, 122896, 124960, 131208, 153620, 161301, 164010, 168982, 174944, 184344, 187440, 215068, 218680, 230430, 238560, 245792, 253473, 262416, 268835, 307240, 322602, 328020, 337964, 368688, 374880, 422455, 430136, 437360, 460860, 506946, 524832, 537670, 545351, 591437, 614480, 645204, 656040, 675928, 737376, 806505, 844910, 860272, 874720, 921720, 1013892, 1075340, 1090702, 1182874, 1228960, 1267365, 1290408, 1312080, 1351856, 1613010, 1636053, 1689820, 1720544, 1774311, 1843440, 2027784, 2150680, 2181404, 2365748, 2534730, 2580816, 2624160, 2703712, 2726755, 2957185, 3226020, 3272106, 3379640, 3548622, 3686880, 3817457, 4055568, 4301360, 4362808, 4731496, 5069460, 5161632, 5453510, 5914370, 5998861, 6452040, 6544212, 6759280, 7097244, 7634914, 8111136, 8180265, 8602720, 8725616, 8871555, 9462992, 10138920, 10907020, 11452371, 11828740, 11997722, 12904080, 13088424, 13518560, 14194488, 15269828, 16360530, 17451232, 17743110, 17996583, 18925984, 19087285, 20277840, 21814040, 22904742, 23657480, 23995444, 25808160, 26176848, 28388976, 29994305, 30539656, 32721060, 35486220, 35993166, 38174570, 40555680, 41992027, 43628080, 45809484, 47314960, 47990888, 52353696, 56777952, 57261855, 59988610, 61079312, 65442120, 70972440, 71986332, 76349140, 83984054, 87256160, 89982915, 91618968, 94629920, 95981776, 114523710, 119977220, 122158624, 125976081, 130884240, 141944880, 143972664, 152698280, 167968108, 179965830, 183237936, 191963552, 209960135, 229047420, 239954440, 251952162, 261768480, 283889760, 287945328, 305396560, 335936216, 359931660, 366475872, 419920270, 458094840, 479908880, 503904324, 575890656, 610793120, 629880405, 671872432, 719863320, 839840540, 916189680, 959817760, 1007808648, 1259760810, 1343744864, 1439726640, 1679681080, 1832379360, 2015617296, 2519521620, 2879453280, 3359362160, 4031234592, 5039043240, 6718724320, 10078086480, 20156172960]

約数ペア:

[(1, 20156172960), (2, 10078086480), (3, 6718724320), (4, 5039043240), (5, 4031234592), (6, 3359362160), (7, 2879453280), (8, 2519521620), (10, 2015617296), (11, 1832379360), (12, 1679681080), (14, 1439726640), (15, 1343744864), (16, 1259760810), (20, 1007808648), (21, 959817760), (22, 916189680), (24, 839840540), (28, 719863320), (30, 671872432), (32, 629880405), (33, 610793120), (35, 575890656), (40, 503904324), (42, 479908880), (44, 458094840), (48, 419920270), (55, 366475872), (56, 359931660), (60, 335936216), (66, 305396560), (70, 287945328), (71, 283889760), (77, 261768480), (80, 251952162), (84, 239954440), (88, 229047420), (96, 209960135), (105, 191963552), (110, 183237936), (112, 179965830), (120, 167968108), (132, 152698280), (140, 143972664), (142, 141944880), (154, 130884240), (160, 125976081), (165, 122158624), (168, 119977220), (176, 114523710), (210, 95981776), (213, 94629920), (220, 91618968), (224, 89982915), (231, 87256160), (240, 83984054), (264, 76349140), (280, 71986332), (284, 70972440), (308, 65442120), (330, 61079312), (336, 59988610), (352, 57261855), (355, 56777952), (385, 52353696), (420, 47990888), (426, 47314960), (440, 45809484), (462, 43628080), (480, 41992027), (497, 40555680), (528, 38174570), (560, 35993166), (568, 35486220), (616, 32721060), (660, 30539656), (672, 29994305), (710, 28388976), (770, 26176848), (781, 25808160), (840, 23995444), (852, 23657480), (880, 22904742), (924, 21814040), (994, 20277840), (1056, 19087285), (1065, 18925984), (1120, 17996583), (1136, 17743110), (1155, 17451232), (1232, 16360530), (1320, 15269828), (1420, 14194488), (1491, 13518560), (1540, 13088424), (1562, 12904080), (1680, 11997722), (1704, 11828740), (1760, 11452371), (1848, 10907020), (1988, 10138920), (2130, 9462992), (2272, 8871555), (2310, 8725616), (2343, 8602720), (2464, 8180265), (2485, 8111136), (2640, 7634914), (2840, 7097244), (2982, 6759280), (3080, 6544212), (3124, 6452040), (3360, 5998861), (3408, 5914370), (3696, 5453510), (3905, 5161632), (3976, 5069460), (4260, 4731496), (4620, 4362808), (4686, 4301360), (4970, 4055568), (5280, 3817457), (5467, 3686880), (5680, 3548622), (5964, 3379640), (6160, 3272106), (6248, 3226020), (6816, 2957185), (7392, 2726755), (7455, 2703712), (7681, 2624160), (7810, 2580816), (7952, 2534730), (8520, 2365748), (9240, 2181404), (9372, 2150680), (9940, 2027784), (10934, 1843440), (11360, 1774311), (11715, 1720544), (11928, 1689820), (12320, 1636053), (12496, 1613010), (14910, 1351856), (15362, 1312080), (15620, 1290408), (15904, 1267365), (16401, 1228960), (17040, 1182874), (18480, 1090702), (18744, 1075340), (19880, 1013892), (21868, 921720), (23043, 874720), (23430, 860272), (23856, 844910), (24992, 806505), (27335, 737376), (29820, 675928), (30724, 656040), (31240, 645204), (32802, 614480), (34080, 591437), (36960, 545351), (37488, 537670), (38405, 524832), (39760, 506946), (43736, 460860), (46086, 437360), (46860, 430136), (47712, 422455), (53767, 374880), (54670, 368688), (59640, 337964), (61448, 328020), (62480, 322602), (65604, 307240), (74976, 268835), (76810, 262416), (79520, 253473), (82005, 245792), (84491, 238560), (87472, 230430), (92172, 218680), (93720, 215068), (107534, 187440), (109340, 184344), (115215, 174944), (119280, 168982), (122896, 164010), (124960, 161301), (131208, 153620)]