16721703040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:703

約数の個数: 256

約数和(自身を含む): 47218982400

約数和(自身を除く): 30497279360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 259, 280, 281, 296, 320, 359, 370, 448, 518, 560, 562, 592, 640, 718, 740, 896, 1036, 1120, 1124, 1184, 1295, 1405, 1436, 1480, 1795, 1967, 2072, 2240, 2248, 2368, 2513, 2590, 2810, 2872, 2960, 3590, 3934, 4144, 4480, 4496, 4736, 5026, 5180, 5620, 5744, 5920, 7180, 7868, 8288, 8992, 9835, 10052, 10360, 10397, 11240, 11488, 11840, 12565, 13283, 14360, 15736, 16576, 17984, 19670, 20104, 20720, 20794, 22480, 22976, 23680, 25130, 26566, 28720, 31472, 33152, 35968, 39340, 40208, 41440, 41588, 44960, 45952, 50260, 51985, 53132, 57440, 62944, 66415, 72779, 78680, 80416, 82880, 83176, 89920, 92981, 100520, 100879, 103970, 106264, 114880, 125888, 132830, 145558, 157360, 160832, 165760, 166352, 179840, 185962, 201040, 201758, 207940, 212528, 229760, 251776, 265660, 291116, 314720, 321664, 332704, 363895, 371924, 402080, 403516, 415880, 425056, 464905, 504395, 531320, 582232, 629440, 665408, 706153, 727790, 743848, 804160, 807032, 831760, 850112, 929810, 1008790, 1062640, 1164464, 1258880, 1330816, 1412306, 1455580, 1487696, 1608320, 1614064, 1663520, 1700224, 1859620, 2017580, 2125280, 2328928, 2824612, 2911160, 2975392, 3228128, 3327040, 3530765, 3719240, 3732523, 4035160, 4250560, 4657856, 5649224, 5822320, 5950784, 6456256, 6654080, 7061530, 7438480, 7465046, 8070320, 8501120, 9315712, 11298448, 11644640, 11901568, 12912512, 14123060, 14876960, 14930092, 16140640, 18662615, 22596896, 23289280, 26127661, 28246120, 29753920, 29860184, 32281280, 37325230, 45193792, 46578560, 52255322, 56492240, 59507840, 59720368, 64562560, 74650460, 90387584, 104510644, 112984480, 119440736, 130638305, 149300920, 209021288, 225968960, 238881472, 261276610, 298601840, 418042576, 451937920, 477762944, 522553220, 597203680, 836085152, 1045106440, 1194407360, 1672170304, 2090212880, 2388814720, 3344340608, 4180425760, 8360851520, 16721703040]

約数ペア:

[(1, 16721703040), (2, 8360851520), (4, 4180425760), (5, 3344340608), (7, 2388814720), (8, 2090212880), (10, 1672170304), (14, 1194407360), (16, 1045106440), (20, 836085152), (28, 597203680), (32, 522553220), (35, 477762944), (37, 451937920), (40, 418042576), (56, 298601840), (64, 261276610), (70, 238881472), (74, 225968960), (80, 209021288), (112, 149300920), (128, 130638305), (140, 119440736), (148, 112984480), (160, 104510644), (185, 90387584), (224, 74650460), (259, 64562560), (280, 59720368), (281, 59507840), (296, 56492240), (320, 52255322), (359, 46578560), (370, 45193792), (448, 37325230), (518, 32281280), (560, 29860184), (562, 29753920), (592, 28246120), (640, 26127661), (718, 23289280), (740, 22596896), (896, 18662615), (1036, 16140640), (1120, 14930092), (1124, 14876960), (1184, 14123060), (1295, 12912512), (1405, 11901568), (1436, 11644640), (1480, 11298448), (1795, 9315712), (1967, 8501120), (2072, 8070320), (2240, 7465046), (2248, 7438480), (2368, 7061530), (2513, 6654080), (2590, 6456256), (2810, 5950784), (2872, 5822320), (2960, 5649224), (3590, 4657856), (3934, 4250560), (4144, 4035160), (4480, 3732523), (4496, 3719240), (4736, 3530765), (5026, 3327040), (5180, 3228128), (5620, 2975392), (5744, 2911160), (5920, 2824612), (7180, 2328928), (7868, 2125280), (8288, 2017580), (8992, 1859620), (9835, 1700224), (10052, 1663520), (10360, 1614064), (10397, 1608320), (11240, 1487696), (11488, 1455580), (11840, 1412306), (12565, 1330816), (13283, 1258880), (14360, 1164464), (15736, 1062640), (16576, 1008790), (17984, 929810), (19670, 850112), (20104, 831760), (20720, 807032), (20794, 804160), (22480, 743848), (22976, 727790), (23680, 706153), (25130, 665408), (26566, 629440), (28720, 582232), (31472, 531320), (33152, 504395), (35968, 464905), (39340, 425056), (40208, 415880), (41440, 403516), (41588, 402080), (44960, 371924), (45952, 363895), (50260, 332704), (51985, 321664), (53132, 314720), (57440, 291116), (62944, 265660), (66415, 251776), (72779, 229760), (78680, 212528), (80416, 207940), (82880, 201758), (83176, 201040), (89920, 185962), (92981, 179840), (100520, 166352), (100879, 165760), (103970, 160832), (106264, 157360), (114880, 145558), (125888, 132830)]