639903240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 320

約数和(自身を含む): 2325058560

約数和(自身を除く): 1685155320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 81, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 162, 180, 184, 186, 207, 216, 230, 248, 270, 276, 277, 279, 310, 324, 345, 360, 372, 405, 414, 460, 465, 540, 552, 554, 558, 620, 621, 648, 690, 713, 744, 810, 828, 831, 837, 920, 930, 1035, 1080, 1108, 1116, 1240, 1242, 1380, 1385, 1395, 1426, 1620, 1656, 1662, 1674, 1860, 1863, 2070, 2139, 2216, 2232, 2484, 2493, 2511, 2760, 2770, 2790, 2852, 3105, 3240, 3324, 3348, 3565, 3720, 3726, 4140, 4155, 4185, 4278, 4968, 4986, 5022, 5540, 5580, 5704, 6210, 6371, 6417, 6648, 6696, 7130, 7452, 7479, 8280, 8310, 8370, 8556, 8587, 9315, 9972, 10044, 10695, 11080, 11160, 12420, 12465, 12555, 12742, 12834, 14260, 14904, 14958, 16620, 16740, 17112, 17174, 18630, 19113, 19251, 19944, 20088, 21390, 22437, 24840, 24930, 25110, 25484, 25668, 25761, 28520, 29916, 31855, 32085, 33240, 33480, 34348, 37260, 37395, 38226, 38502, 42780, 42935, 44874, 49860, 50220, 50968, 51336, 51522, 57339, 57753, 59832, 63710, 64170, 68696, 74520, 74790, 76452, 77004, 77283, 85560, 85870, 89748, 95565, 96255, 99720, 100440, 103044, 112185, 114678, 115506, 127420, 128340, 128805, 149580, 152904, 154008, 154566, 171740, 172017, 179496, 191130, 192510, 197501, 206088, 224370, 229356, 231012, 231849, 254840, 256680, 257610, 286695, 288765, 299160, 309132, 343480, 344034, 382260, 385020, 386415, 395002, 448740, 458712, 462024, 463698, 515220, 516051, 573390, 577530, 592503, 618264, 688068, 695547, 764520, 770040, 772830, 790004, 860085, 897480, 927396, 987505, 1030440, 1032102, 1146780, 1155060, 1159245, 1185006, 1376136, 1391094, 1545660, 1580008, 1720170, 1777509, 1854792, 1975010, 2064204, 2293560, 2310120, 2318490, 2370012, 2580255, 2782188, 2962515, 3091320, 3440340, 3477735, 3555018, 3950020, 4128408, 4636980, 4740024, 5160510, 5332527, 5564376, 5925030, 6880680, 6955470, 7110036, 7900040, 8887545, 9273960, 10321020, 10665054, 11850060, 13910940, 14220072, 15997581, 17775090, 20642040, 21330108, 23700120, 26662635, 27821880, 31995162, 35550180, 42660216, 53325270, 63990324, 71100360, 79987905, 106650540, 127980648, 159975810, 213301080, 319951620, 639903240]

約数ペア:

[(1, 639903240), (2, 319951620), (3, 213301080), (4, 159975810), (5, 127980648), (6, 106650540), (8, 79987905), (9, 71100360), (10, 63990324), (12, 53325270), (15, 42660216), (18, 35550180), (20, 31995162), (23, 27821880), (24, 26662635), (27, 23700120), (30, 21330108), (31, 20642040), (36, 17775090), (40, 15997581), (45, 14220072), (46, 13910940), (54, 11850060), (60, 10665054), (62, 10321020), (69, 9273960), (72, 8887545), (81, 7900040), (90, 7110036), (92, 6955470), (93, 6880680), (108, 5925030), (115, 5564376), (120, 5332527), (124, 5160510), (135, 4740024), (138, 4636980), (155, 4128408), (162, 3950020), (180, 3555018), (184, 3477735), (186, 3440340), (207, 3091320), (216, 2962515), (230, 2782188), (248, 2580255), (270, 2370012), (276, 2318490), (277, 2310120), (279, 2293560), (310, 2064204), (324, 1975010), (345, 1854792), (360, 1777509), (372, 1720170), (405, 1580008), (414, 1545660), (460, 1391094), (465, 1376136), (540, 1185006), (552, 1159245), (554, 1155060), (558, 1146780), (620, 1032102), (621, 1030440), (648, 987505), (690, 927396), (713, 897480), (744, 860085), (810, 790004), (828, 772830), (831, 770040), (837, 764520), (920, 695547), (930, 688068), (1035, 618264), (1080, 592503), (1108, 577530), (1116, 573390), (1240, 516051), (1242, 515220), (1380, 463698), (1385, 462024), (1395, 458712), (1426, 448740), (1620, 395002), (1656, 386415), (1662, 385020), (1674, 382260), (1860, 344034), (1863, 343480), (2070, 309132), (2139, 299160), (2216, 288765), (2232, 286695), (2484, 257610), (2493, 256680), (2511, 254840), (2760, 231849), (2770, 231012), (2790, 229356), (2852, 224370), (3105, 206088), (3240, 197501), (3324, 192510), (3348, 191130), (3565, 179496), (3720, 172017), (3726, 171740), (4140, 154566), (4155, 154008), (4185, 152904), (4278, 149580), (4968, 128805), (4986, 128340), (5022, 127420), (5540, 115506), (5580, 114678), (5704, 112185), (6210, 103044), (6371, 100440), (6417, 99720), (6648, 96255), (6696, 95565), (7130, 89748), (7452, 85870), (7479, 85560), (8280, 77283), (8310, 77004), (8370, 76452), (8556, 74790), (8587, 74520), (9315, 68696), (9972, 64170), (10044, 63710), (10695, 59832), (11080, 57753), (11160, 57339), (12420, 51522), (12465, 51336), (12555, 50968), (12742, 50220), (12834, 49860), (14260, 44874), (14904, 42935), (14958, 42780), (16620, 38502), (16740, 38226), (17112, 37395), (17174, 37260), (18630, 34348), (19113, 33480), (19251, 33240), (19944, 32085), (20088, 31855), (21390, 29916), (22437, 28520), (24840, 25761), (24930, 25668), (25110, 25484)]