661057920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 384

約数和(自身を含む): 2488955040

約数和(自身を除く): 1827897120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 43, 45, 48, 51, 60, 64, 68, 72, 80, 85, 86, 90, 96, 102, 120, 128, 129, 136, 144, 153, 157, 160, 170, 172, 180, 192, 204, 215, 240, 255, 258, 272, 288, 306, 314, 320, 340, 344, 360, 384, 387, 408, 430, 471, 480, 510, 516, 544, 576, 612, 628, 640, 645, 680, 688, 720, 731, 765, 774, 785, 816, 860, 942, 960, 1020, 1032, 1088, 1152, 1224, 1256, 1290, 1360, 1376, 1413, 1440, 1462, 1530, 1548, 1570, 1632, 1720, 1884, 1920, 1935, 2040, 2064, 2176, 2193, 2355, 2448, 2512, 2580, 2669, 2720, 2752, 2826, 2880, 2924, 3060, 3096, 3140, 3264, 3440, 3655, 3768, 3870, 4080, 4128, 4386, 4710, 4896, 5024, 5160, 5338, 5440, 5504, 5652, 5760, 5848, 6120, 6192, 6280, 6528, 6579, 6751, 6880, 7065, 7310, 7536, 7740, 8007, 8160, 8256, 8772, 9420, 9792, 10048, 10320, 10676, 10880, 10965, 11304, 11696, 12240, 12384, 12560, 13158, 13345, 13502, 13760, 14130, 14620, 15072, 15480, 16014, 16320, 16512, 17544, 18840, 19584, 20096, 20253, 20640, 21352, 21930, 22608, 23392, 24021, 24480, 24768, 25120, 26316, 26690, 27004, 27520, 28260, 29240, 30144, 30960, 32028, 32640, 32895, 33755, 35088, 37680, 40035, 40506, 41280, 42704, 43860, 45216, 46784, 48042, 48960, 49536, 50240, 52632, 53380, 54008, 56520, 58480, 60288, 60759, 61920, 64056, 65790, 67510, 70176, 75360, 80070, 81012, 82560, 85408, 87720, 90432, 93568, 96084, 97920, 100480, 101265, 105264, 106760, 108016, 113040, 114767, 116960, 120105, 121518, 123840, 128112, 131580, 135020, 140352, 150720, 160140, 162024, 170816, 175440, 180864, 192168, 202530, 210528, 213520, 216032, 226080, 229534, 233920, 240210, 243036, 247680, 256224, 263160, 270040, 280704, 301440, 303795, 320280, 324048, 341632, 344301, 350880, 384336, 405060, 421056, 427040, 432064, 452160, 459068, 467840, 480420, 486072, 512448, 526320, 540080, 573835, 607590, 640560, 648096, 688602, 701760, 768672, 810120, 842112, 854080, 864128, 904320, 918136, 960840, 972144, 1024896, 1032903, 1052640, 1080160, 1147670, 1215180, 1281120, 1296192, 1377204, 1403520, 1537344, 1620240, 1708160, 1721505, 1836272, 1921680, 1944288, 2065806, 2105280, 2160320, 2295340, 2430360, 2562240, 2592384, 2754408, 3074688, 3240480, 3443010, 3672544, 3843360, 3888576, 4131612, 4210560, 4320640, 4590680, 4860720, 5124480, 5164515, 5508816, 6480960, 6886020, 7345088, 7686720, 7777152, 8263224, 9181360, 9721440, 10329030, 11017632, 12961920, 13772040, 14690176, 15373440, 16526448, 18362720, 19442880, 20658060, 22035264, 27544080, 33052896, 36725440, 38885760, 41316120, 44070528, 55088160, 66105792, 73450880, 82632240, 110176320, 132211584, 165264480, 220352640, 330528960, 661057920]

約数ペア:

[(1, 661057920), (2, 330528960), (3, 220352640), (4, 165264480), (5, 132211584), (6, 110176320), (8, 82632240), (9, 73450880), (10, 66105792), (12, 55088160), (15, 44070528), (16, 41316120), (17, 38885760), (18, 36725440), (20, 33052896), (24, 27544080), (30, 22035264), (32, 20658060), (34, 19442880), (36, 18362720), (40, 16526448), (43, 15373440), (45, 14690176), (48, 13772040), (51, 12961920), (60, 11017632), (64, 10329030), (68, 9721440), (72, 9181360), (80, 8263224), (85, 7777152), (86, 7686720), (90, 7345088), (96, 6886020), (102, 6480960), (120, 5508816), (128, 5164515), (129, 5124480), (136, 4860720), (144, 4590680), (153, 4320640), (157, 4210560), (160, 4131612), (170, 3888576), (172, 3843360), (180, 3672544), (192, 3443010), (204, 3240480), (215, 3074688), (240, 2754408), (255, 2592384), (258, 2562240), (272, 2430360), (288, 2295340), (306, 2160320), (314, 2105280), (320, 2065806), (340, 1944288), (344, 1921680), (360, 1836272), (384, 1721505), (387, 1708160), (408, 1620240), (430, 1537344), (471, 1403520), (480, 1377204), (510, 1296192), (516, 1281120), (544, 1215180), (576, 1147670), (612, 1080160), (628, 1052640), (640, 1032903), (645, 1024896), (680, 972144), (688, 960840), (720, 918136), (731, 904320), (765, 864128), (774, 854080), (785, 842112), (816, 810120), (860, 768672), (942, 701760), (960, 688602), (1020, 648096), (1032, 640560), (1088, 607590), (1152, 573835), (1224, 540080), (1256, 526320), (1290, 512448), (1360, 486072), (1376, 480420), (1413, 467840), (1440, 459068), (1462, 452160), (1530, 432064), (1548, 427040), (1570, 421056), (1632, 405060), (1720, 384336), (1884, 350880), (1920, 344301), (1935, 341632), (2040, 324048), (2064, 320280), (2176, 303795), (2193, 301440), (2355, 280704), (2448, 270040), (2512, 263160), (2580, 256224), (2669, 247680), (2720, 243036), (2752, 240210), (2826, 233920), (2880, 229534), (2924, 226080), (3060, 216032), (3096, 213520), (3140, 210528), (3264, 202530), (3440, 192168), (3655, 180864), (3768, 175440), (3870, 170816), (4080, 162024), (4128, 160140), (4386, 150720), (4710, 140352), (4896, 135020), (5024, 131580), (5160, 128112), (5338, 123840), (5440, 121518), (5504, 120105), (5652, 116960), (5760, 114767), (5848, 113040), (6120, 108016), (6192, 106760), (6280, 105264), (6528, 101265), (6579, 100480), (6751, 97920), (6880, 96084), (7065, 93568), (7310, 90432), (7536, 87720), (7740, 85408), (8007, 82560), (8160, 81012), (8256, 80070), (8772, 75360), (9420, 70176), (9792, 67510), (10048, 65790), (10320, 64056), (10676, 61920), (10880, 60759), (10965, 60288), (11304, 58480), (11696, 56520), (12240, 54008), (12384, 53380), (12560, 52632), (13158, 50240), (13345, 49536), (13502, 48960), (13760, 48042), (14130, 46784), (14620, 45216), (15072, 43860), (15480, 42704), (16014, 41280), (16320, 40506), (16512, 40035), (17544, 37680), (18840, 35088), (19584, 33755), (20096, 32895), (20253, 32640), (20640, 32028), (21352, 30960), (21930, 30144), (22608, 29240), (23392, 28260), (24021, 27520), (24480, 27004), (24768, 26690), (25120, 26316)]