989910720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 280

約数和(自身を含む): 3557521968

約数和(自身を除く): 2567611248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 181, 192, 211, 216, 240, 270, 288, 320, 324, 360, 362, 405, 422, 432, 480, 540, 543, 576, 633, 648, 720, 724, 810, 844, 864, 905, 960, 1055, 1080, 1086, 1266, 1296, 1440, 1448, 1620, 1629, 1688, 1728, 1810, 1899, 2110, 2160, 2172, 2532, 2592, 2715, 2880, 2896, 3165, 3240, 3258, 3376, 3620, 3798, 4220, 4320, 4344, 4887, 5064, 5184, 5430, 5697, 5792, 6330, 6480, 6516, 6752, 7240, 7596, 8145, 8440, 8640, 8688, 9495, 9774, 10128, 10860, 11394, 11584, 12660, 12960, 13032, 13504, 14480, 14661, 15192, 16290, 16880, 17091, 17376, 18990, 19548, 20256, 21720, 22788, 24435, 25320, 25920, 26064, 28485, 28960, 29322, 30384, 32580, 33760, 34182, 34752, 37980, 38191, 39096, 40512, 43440, 45576, 48870, 50640, 52128, 56970, 57920, 58644, 60768, 65160, 67520, 68364, 73305, 75960, 76382, 78192, 85455, 86880, 91152, 97740, 101280, 104256, 113940, 114573, 117288, 121536, 130320, 136728, 146610, 151920, 152764, 156384, 170910, 173760, 182304, 190955, 195480, 202560, 227880, 229146, 234576, 260640, 273456, 293220, 303840, 305528, 312768, 341820, 343719, 364608, 381910, 390960, 455760, 458292, 469152, 521280, 546912, 572865, 586440, 607680, 611056, 683640, 687438, 763820, 781920, 911520, 916584, 938304, 1031157, 1093824, 1145730, 1172880, 1222112, 1367280, 1374876, 1527640, 1563840, 1718595, 1823040, 1833168, 2062314, 2291460, 2345760, 2444224, 2734560, 2749752, 3055280, 3093471, 3437190, 3666336, 4124628, 4582920, 4691520, 5155785, 5469120, 5499504, 6110560, 6186942, 6874380, 7332672, 8249256, 9165840, 10311570, 10999008, 12221120, 12373884, 13748760, 15467355, 16498512, 18331680, 20623140, 21998016, 24747768, 27497520, 30934710, 32997024, 36663360, 41246280, 49495536, 54995040, 61869420, 65994048, 82492560, 98991072, 109990080, 123738840, 164985120, 197982144, 247477680, 329970240, 494955360, 989910720]

約数ペア:

[(1, 989910720), (2, 494955360), (3, 329970240), (4, 247477680), (5, 197982144), (6, 164985120), (8, 123738840), (9, 109990080), (10, 98991072), (12, 82492560), (15, 65994048), (16, 61869420), (18, 54995040), (20, 49495536), (24, 41246280), (27, 36663360), (30, 32997024), (32, 30934710), (36, 27497520), (40, 24747768), (45, 21998016), (48, 20623140), (54, 18331680), (60, 16498512), (64, 15467355), (72, 13748760), (80, 12373884), (81, 12221120), (90, 10999008), (96, 10311570), (108, 9165840), (120, 8249256), (135, 7332672), (144, 6874380), (160, 6186942), (162, 6110560), (180, 5499504), (181, 5469120), (192, 5155785), (211, 4691520), (216, 4582920), (240, 4124628), (270, 3666336), (288, 3437190), (320, 3093471), (324, 3055280), (360, 2749752), (362, 2734560), (405, 2444224), (422, 2345760), (432, 2291460), (480, 2062314), (540, 1833168), (543, 1823040), (576, 1718595), (633, 1563840), (648, 1527640), (720, 1374876), (724, 1367280), (810, 1222112), (844, 1172880), (864, 1145730), (905, 1093824), (960, 1031157), (1055, 938304), (1080, 916584), (1086, 911520), (1266, 781920), (1296, 763820), (1440, 687438), (1448, 683640), (1620, 611056), (1629, 607680), (1688, 586440), (1728, 572865), (1810, 546912), (1899, 521280), (2110, 469152), (2160, 458292), (2172, 455760), (2532, 390960), (2592, 381910), (2715, 364608), (2880, 343719), (2896, 341820), (3165, 312768), (3240, 305528), (3258, 303840), (3376, 293220), (3620, 273456), (3798, 260640), (4220, 234576), (4320, 229146), (4344, 227880), (4887, 202560), (5064, 195480), (5184, 190955), (5430, 182304), (5697, 173760), (5792, 170910), (6330, 156384), (6480, 152764), (6516, 151920), (6752, 146610), (7240, 136728), (7596, 130320), (8145, 121536), (8440, 117288), (8640, 114573), (8688, 113940), (9495, 104256), (9774, 101280), (10128, 97740), (10860, 91152), (11394, 86880), (11584, 85455), (12660, 78192), (12960, 76382), (13032, 75960), (13504, 73305), (14480, 68364), (14661, 67520), (15192, 65160), (16290, 60768), (16880, 58644), (17091, 57920), (17376, 56970), (18990, 52128), (19548, 50640), (20256, 48870), (21720, 45576), (22788, 43440), (24435, 40512), (25320, 39096), (25920, 38191), (26064, 37980), (28485, 34752), (28960, 34182), (29322, 33760), (30384, 32580)]