20980510320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2173

約数の個数: 480

約数和(自身を含む): 83621790720

約数和(自身を除く): 62641280400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 79, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 158, 165, 168, 176, 196, 210, 220, 231, 237, 240, 245, 264, 280, 294, 308, 316, 330, 336, 385, 392, 395, 420, 440, 462, 474, 490, 528, 539, 553, 560, 588, 616, 632, 660, 735, 770, 784, 790, 840, 869, 880, 924, 948, 980, 1078, 1106, 1155, 1176, 1185, 1232, 1264, 1320, 1470, 1540, 1580, 1617, 1659, 1680, 1738, 1848, 1896, 1960, 2053, 2156, 2212, 2310, 2352, 2370, 2607, 2640, 2695, 2765, 2940, 3080, 3160, 3234, 3318, 3476, 3696, 3792, 3871, 3920, 4106, 4312, 4345, 4424, 4620, 4740, 5214, 5390, 5530, 5880, 6083, 6159, 6160, 6320, 6468, 6636, 6952, 7742, 8085, 8212, 8295, 8624, 8690, 8848, 9240, 9480, 10265, 10428, 10780, 11060, 11613, 11760, 12166, 12318, 12936, 13035, 13272, 13904, 14371, 15484, 16170, 16424, 16590, 17380, 18249, 18480, 18960, 19355, 20530, 20856, 21560, 22120, 22583, 23226, 24332, 24636, 25872, 26070, 26544, 28742, 30415, 30795, 30968, 32340, 32848, 33180, 34760, 36498, 38710, 41060, 41712, 42581, 43113, 43120, 44240, 45166, 46452, 48664, 49272, 52140, 57484, 58065, 60830, 61590, 61936, 64680, 66360, 67749, 69520, 71855, 72996, 77420, 82120, 85162, 86226, 90332, 91245, 92904, 97328, 98544, 100597, 104280, 112915, 114968, 116130, 121660, 123180, 127743, 129360, 132720, 135498, 143710, 145992, 154840, 158081, 162187, 164240, 170324, 172452, 180664, 182490, 185808, 201194, 208560, 212905, 215565, 225830, 229936, 232260, 243320, 246360, 255486, 270996, 287420, 291984, 301791, 309680, 316162, 324374, 338745, 340648, 344904, 361328, 364980, 402388, 425810, 431130, 451660, 464520, 474243, 486561, 486640, 492720, 502985, 510972, 541992, 574840, 603582, 632324, 638715, 648748, 677490, 681296, 689808, 729960, 790405, 804776, 810935, 851620, 862260, 903320, 929040, 948486, 973122, 1005970, 1021944, 1083984, 1106567, 1135309, 1149680, 1207164, 1264648, 1277430, 1297496, 1354980, 1459920, 1508955, 1580810, 1609552, 1621870, 1703240, 1724520, 1784057, 1806640, 1896972, 1946244, 2011940, 2043888, 2213134, 2270618, 2371215, 2414328, 2432805, 2529296, 2554860, 2594992, 2709960, 3017910, 3161620, 3243740, 3319701, 3405927, 3406480, 3449040, 3568114, 3793944, 3892488, 4023880, 4426268, 4541236, 4742430, 4828656, 4865610, 5109720, 5352171, 5419920, 5532835, 5676545, 6035820, 6323240, 6487480, 6639402, 6811854, 7136228, 7587888, 7784976, 7947163, 8047760, 8852536, 8920285, 9082472, 9484860, 9731220, 10219440, 10704342, 11065670, 11353090, 12071640, 12488399, 12646480, 12974960, 13278804, 13623708, 14272456, 15894326, 16598505, 17029635, 17705072, 17840570, 18164944, 18969720, 19462440, 21408684, 22131340, 22706180, 23841489, 24143280, 24976798, 26557608, 26760855, 27247416, 28544912, 31788652, 33197010, 34059270, 35681140, 37465197, 37939440, 38924880, 39735815, 42817368, 44262680, 45412360, 47682978, 49953596, 53115216, 53521710, 54494832, 62441995, 63577304, 66394020, 68118540, 71362280, 74930394, 79471630, 85634736, 87418793, 88525360, 90824720, 95365956, 99907192, 107043420, 119207445, 124883990, 127154608, 132788040, 136237080, 142724560, 149860788, 158943260, 174837586, 187325985, 190731912, 199814384, 214086840, 238414890, 249767980, 262256379, 265576080, 272474160, 299721576, 317886520, 349675172, 374651970, 381463824, 428173680, 437093965, 476829780, 499535960, 524512758, 599443152, 635773040, 699350344, 749303940, 874187930, 953659560, 999071920, 1049025516, 1311281895, 1398700688, 1498607880, 1748375860, 1907319120, 2098051032, 2622563790, 2997215760, 3496751720, 4196102064, 5245127580, 6993503440, 10490255160, 20980510320]

約数ペア:

[(1, 20980510320), (2, 10490255160), (3, 6993503440), (4, 5245127580), (5, 4196102064), (6, 3496751720), (7, 2997215760), (8, 2622563790), (10, 2098051032), (11, 1907319120), (12, 1748375860), (14, 1498607880), (15, 1398700688), (16, 1311281895), (20, 1049025516), (21, 999071920), (22, 953659560), (24, 874187930), (28, 749303940), (30, 699350344), (33, 635773040), (35, 599443152), (40, 524512758), (42, 499535960), (44, 476829780), (48, 437093965), (49, 428173680), (55, 381463824), (56, 374651970), (60, 349675172), (66, 317886520), (70, 299721576), (77, 272474160), (79, 265576080), (80, 262256379), (84, 249767980), (88, 238414890), (98, 214086840), (105, 199814384), (110, 190731912), (112, 187325985), (120, 174837586), (132, 158943260), (140, 149860788), (147, 142724560), (154, 136237080), (158, 132788040), (165, 127154608), (168, 124883990), (176, 119207445), (196, 107043420), (210, 99907192), (220, 95365956), (231, 90824720), (237, 88525360), (240, 87418793), (245, 85634736), (264, 79471630), (280, 74930394), (294, 71362280), (308, 68118540), (316, 66394020), (330, 63577304), (336, 62441995), (385, 54494832), (392, 53521710), (395, 53115216), (420, 49953596), (440, 47682978), (462, 45412360), (474, 44262680), (490, 42817368), (528, 39735815), (539, 38924880), (553, 37939440), (560, 37465197), (588, 35681140), (616, 34059270), (632, 33197010), (660, 31788652), (735, 28544912), (770, 27247416), (784, 26760855), (790, 26557608), (840, 24976798), (869, 24143280), (880, 23841489), (924, 22706180), (948, 22131340), (980, 21408684), (1078, 19462440), (1106, 18969720), (1155, 18164944), (1176, 17840570), (1185, 17705072), (1232, 17029635), (1264, 16598505), (1320, 15894326), (1470, 14272456), (1540, 13623708), (1580, 13278804), (1617, 12974960), (1659, 12646480), (1680, 12488399), (1738, 12071640), (1848, 11353090), (1896, 11065670), (1960, 10704342), (2053, 10219440), (2156, 9731220), (2212, 9484860), (2310, 9082472), (2352, 8920285), (2370, 8852536), (2607, 8047760), (2640, 7947163), (2695, 7784976), (2765, 7587888), (2940, 7136228), (3080, 6811854), (3160, 6639402), (3234, 6487480), (3318, 6323240), (3476, 6035820), (3696, 5676545), (3792, 5532835), (3871, 5419920), (3920, 5352171), (4106, 5109720), (4312, 4865610), (4345, 4828656), (4424, 4742430), (4620, 4541236), (4740, 4426268), (5214, 4023880), (5390, 3892488), (5530, 3793944), (5880, 3568114), (6083, 3449040), (6159, 3406480), (6160, 3405927), (6320, 3319701), (6468, 3243740), (6636, 3161620), (6952, 3017910), (7742, 2709960), (8085, 2594992), (8212, 2554860), (8295, 2529296), (8624, 2432805), (8690, 2414328), (8848, 2371215), (9240, 2270618), (9480, 2213134), (10265, 2043888), (10428, 2011940), (10780, 1946244), (11060, 1896972), (11613, 1806640), (11760, 1784057), (12166, 1724520), (12318, 1703240), (12936, 1621870), (13035, 1609552), (13272, 1580810), (13904, 1508955), (14371, 1459920), (15484, 1354980), (16170, 1297496), (16424, 1277430), (16590, 1264648), (17380, 1207164), (18249, 1149680), (18480, 1135309), (18960, 1106567), (19355, 1083984), (20530, 1021944), (20856, 1005970), (21560, 973122), (22120, 948486), (22583, 929040), (23226, 903320), (24332, 862260), (24636, 851620), (25872, 810935), (26070, 804776), (26544, 790405), (28742, 729960), (30415, 689808), (30795, 681296), (30968, 677490), (32340, 648748), (32848, 638715), (33180, 632324), (34760, 603582), (36498, 574840), (38710, 541992), (41060, 510972), (41712, 502985), (42581, 492720), (43113, 486640), (43120, 486561), (44240, 474243), (45166, 464520), (46452, 451660), (48664, 431130), (49272, 425810), (52140, 402388), (57484, 364980), (58065, 361328), (60830, 344904), (61590, 340648), (61936, 338745), (64680, 324374), (66360, 316162), (67749, 309680), (69520, 301791), (71855, 291984), (72996, 287420), (77420, 270996), (82120, 255486), (85162, 246360), (86226, 243320), (90332, 232260), (91245, 229936), (92904, 225830), (97328, 215565), (98544, 212905), (100597, 208560), (104280, 201194), (112915, 185808), (114968, 182490), (116130, 180664), (121660, 172452), (123180, 170324), (127743, 164240), (129360, 162187), (132720, 158081), (135498, 154840), (143710, 145992)]