205751520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:442

約数の個数: 288

約数和(自身を含む): 784274400

約数和(自身を除く): 578522880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 32, 36, 39, 40, 45, 48, 52, 58, 60, 65, 72, 78, 80, 87, 90, 96, 104, 116, 117, 120, 130, 144, 145, 156, 160, 174, 180, 195, 208, 232, 234, 240, 260, 261, 288, 290, 312, 348, 360, 377, 379, 390, 416, 435, 464, 468, 480, 520, 522, 580, 585, 624, 696, 720, 754, 758, 780, 870, 928, 936, 1040, 1044, 1131, 1137, 1160, 1170, 1248, 1305, 1392, 1440, 1508, 1516, 1560, 1740, 1872, 1885, 1895, 2080, 2088, 2262, 2274, 2320, 2340, 2610, 2784, 3016, 3032, 3120, 3393, 3411, 3480, 3744, 3770, 3790, 4176, 4524, 4548, 4640, 4680, 4927, 5220, 5655, 5685, 6032, 6064, 6240, 6786, 6822, 6960, 7540, 7580, 8352, 9048, 9096, 9360, 9854, 10440, 10991, 11310, 11370, 12064, 12128, 13572, 13644, 13920, 14781, 15080, 15160, 16965, 17055, 18096, 18192, 18720, 19708, 20880, 21982, 22620, 22740, 24635, 27144, 27288, 29562, 30160, 30320, 32973, 33930, 34110, 36192, 36384, 39416, 41760, 43964, 44343, 45240, 45480, 49270, 54288, 54576, 54955, 59124, 60320, 60640, 65946, 67860, 68220, 73905, 78832, 87928, 88686, 90480, 90960, 98540, 98919, 108576, 109152, 109910, 118248, 131892, 135720, 136440, 142883, 147810, 157664, 164865, 175856, 177372, 180960, 181920, 197080, 197838, 219820, 221715, 236496, 263784, 271440, 272880, 285766, 295620, 329730, 351712, 354744, 394160, 395676, 428649, 439640, 443430, 472992, 494595, 527568, 542880, 545760, 571532, 591240, 659460, 709488, 714415, 788320, 791352, 857298, 879280, 886860, 989190, 1055136, 1143064, 1182480, 1285947, 1318920, 1418976, 1428830, 1582704, 1714596, 1758560, 1773720, 1978380, 2143245, 2286128, 2364960, 2571894, 2637840, 2857660, 3165408, 3429192, 3547440, 3956760, 4286490, 4572256, 5143788, 5275680, 5715320, 6429735, 6858384, 7094880, 7913520, 8572980, 10287576, 11430640, 12859470, 13716768, 15827040, 17145960, 20575152, 22861280, 25718940, 34291920, 41150304, 51437880, 68583840, 102875760, 205751520]

約数ペア:

[(1, 205751520), (2, 102875760), (3, 68583840), (4, 51437880), (5, 41150304), (6, 34291920), (8, 25718940), (9, 22861280), (10, 20575152), (12, 17145960), (13, 15827040), (15, 13716768), (16, 12859470), (18, 11430640), (20, 10287576), (24, 8572980), (26, 7913520), (29, 7094880), (30, 6858384), (32, 6429735), (36, 5715320), (39, 5275680), (40, 5143788), (45, 4572256), (48, 4286490), (52, 3956760), (58, 3547440), (60, 3429192), (65, 3165408), (72, 2857660), (78, 2637840), (80, 2571894), (87, 2364960), (90, 2286128), (96, 2143245), (104, 1978380), (116, 1773720), (117, 1758560), (120, 1714596), (130, 1582704), (144, 1428830), (145, 1418976), (156, 1318920), (160, 1285947), (174, 1182480), (180, 1143064), (195, 1055136), (208, 989190), (232, 886860), (234, 879280), (240, 857298), (260, 791352), (261, 788320), (288, 714415), (290, 709488), (312, 659460), (348, 591240), (360, 571532), (377, 545760), (379, 542880), (390, 527568), (416, 494595), (435, 472992), (464, 443430), (468, 439640), (480, 428649), (520, 395676), (522, 394160), (580, 354744), (585, 351712), (624, 329730), (696, 295620), (720, 285766), (754, 272880), (758, 271440), (780, 263784), (870, 236496), (928, 221715), (936, 219820), (1040, 197838), (1044, 197080), (1131, 181920), (1137, 180960), (1160, 177372), (1170, 175856), (1248, 164865), (1305, 157664), (1392, 147810), (1440, 142883), (1508, 136440), (1516, 135720), (1560, 131892), (1740, 118248), (1872, 109910), (1885, 109152), (1895, 108576), (2080, 98919), (2088, 98540), (2262, 90960), (2274, 90480), (2320, 88686), (2340, 87928), (2610, 78832), (2784, 73905), (3016, 68220), (3032, 67860), (3120, 65946), (3393, 60640), (3411, 60320), (3480, 59124), (3744, 54955), (3770, 54576), (3790, 54288), (4176, 49270), (4524, 45480), (4548, 45240), (4640, 44343), (4680, 43964), (4927, 41760), (5220, 39416), (5655, 36384), (5685, 36192), (6032, 34110), (6064, 33930), (6240, 32973), (6786, 30320), (6822, 30160), (6960, 29562), (7540, 27288), (7580, 27144), (8352, 24635), (9048, 22740), (9096, 22620), (9360, 21982), (9854, 20880), (10440, 19708), (10991, 18720), (11310, 18192), (11370, 18096), (12064, 17055), (12128, 16965), (13572, 15160), (13644, 15080), (13920, 14781)]