2020101720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6379}}^1$

素因数の和:6442

約数の個数: 256

約数和(自身を含む): 7717248000

約数和(自身を除く): 5697146280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 348, 364, 377, 390, 406, 420, 435, 455, 520, 546, 580, 609, 696, 728, 754, 780, 812, 840, 870, 910, 1015, 1092, 1131, 1160, 1218, 1365, 1508, 1560, 1624, 1740, 1820, 1885, 2030, 2184, 2262, 2436, 2639, 2730, 3016, 3045, 3480, 3640, 3770, 4060, 4524, 4872, 5278, 5460, 5655, 6090, 6379, 7540, 7917, 8120, 9048, 10556, 10920, 11310, 12180, 12758, 13195, 15080, 15834, 19137, 21112, 22620, 24360, 25516, 26390, 31668, 31895, 38274, 39585, 44653, 45240, 51032, 52780, 63336, 63790, 76548, 79170, 82927, 89306, 95685, 105560, 127580, 133959, 153096, 158340, 165854, 178612, 184991, 191370, 223265, 248781, 255160, 267918, 316680, 331708, 357224, 369982, 382740, 414635, 446530, 497562, 535836, 554973, 580489, 663416, 669795, 739964, 765480, 829270, 893060, 924955, 995124, 1071672, 1109946, 1160978, 1243905, 1294937, 1339590, 1479928, 1658540, 1741467, 1786120, 1849910, 1990248, 2219892, 2321956, 2404883, 2487810, 2589874, 2679180, 2774865, 2902445, 3317080, 3482934, 3699820, 3884811, 4439784, 4643912, 4809766, 4975620, 5179748, 5358360, 5549730, 5804890, 6474685, 6965868, 7214649, 7399640, 7769622, 8707335, 9619532, 9951240, 10359496, 11099460, 11609780, 12024415, 12949370, 13931736, 14429298, 15539244, 16834181, 17414670, 19239064, 19424055, 22198920, 23219560, 24048830, 25898740, 28858596, 31078488, 33668362, 34829340, 36073245, 38848110, 48097660, 50502543, 51797480, 57717192, 67336724, 69658680, 72146490, 77696220, 84170905, 96195320, 101005086, 134673448, 144292980, 155392440, 168341810, 202010172, 252512715, 288585960, 336683620, 404020344, 505025430, 673367240, 1010050860, 2020101720]

約数ペア:

[(1, 2020101720), (2, 1010050860), (3, 673367240), (4, 505025430), (5, 404020344), (6, 336683620), (7, 288585960), (8, 252512715), (10, 202010172), (12, 168341810), (13, 155392440), (14, 144292980), (15, 134673448), (20, 101005086), (21, 96195320), (24, 84170905), (26, 77696220), (28, 72146490), (29, 69658680), (30, 67336724), (35, 57717192), (39, 51797480), (40, 50502543), (42, 48097660), (52, 38848110), (56, 36073245), (58, 34829340), (60, 33668362), (65, 31078488), (70, 28858596), (78, 25898740), (84, 24048830), (87, 23219560), (91, 22198920), (104, 19424055), (105, 19239064), (116, 17414670), (120, 16834181), (130, 15539244), (140, 14429298), (145, 13931736), (156, 12949370), (168, 12024415), (174, 11609780), (182, 11099460), (195, 10359496), (203, 9951240), (210, 9619532), (232, 8707335), (260, 7769622), (273, 7399640), (280, 7214649), (290, 6965868), (312, 6474685), (348, 5804890), (364, 5549730), (377, 5358360), (390, 5179748), (406, 4975620), (420, 4809766), (435, 4643912), (455, 4439784), (520, 3884811), (546, 3699820), (580, 3482934), (609, 3317080), (696, 2902445), (728, 2774865), (754, 2679180), (780, 2589874), (812, 2487810), (840, 2404883), (870, 2321956), (910, 2219892), (1015, 1990248), (1092, 1849910), (1131, 1786120), (1160, 1741467), (1218, 1658540), (1365, 1479928), (1508, 1339590), (1560, 1294937), (1624, 1243905), (1740, 1160978), (1820, 1109946), (1885, 1071672), (2030, 995124), (2184, 924955), (2262, 893060), (2436, 829270), (2639, 765480), (2730, 739964), (3016, 669795), (3045, 663416), (3480, 580489), (3640, 554973), (3770, 535836), (4060, 497562), (4524, 446530), (4872, 414635), (5278, 382740), (5460, 369982), (5655, 357224), (6090, 331708), (6379, 316680), (7540, 267918), (7917, 255160), (8120, 248781), (9048, 223265), (10556, 191370), (10920, 184991), (11310, 178612), (12180, 165854), (12758, 158340), (13195, 153096), (15080, 133959), (15834, 127580), (19137, 105560), (21112, 95685), (22620, 89306), (24360, 82927), (25516, 79170), (26390, 76548), (31668, 63790), (31895, 63336), (38274, 52780), (39585, 51032), (44653, 45240)]