20161812320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13907}}^1$

素因数の和:13993

約数の個数: 192

約数和(自身を含む): 55642458816

約数和(自身を除く): 35480646496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 130, 136, 160, 164, 170, 205, 208, 221, 260, 272, 328, 340, 410, 416, 442, 520, 533, 544, 656, 680, 697, 820, 884, 1040, 1066, 1105, 1312, 1360, 1394, 1640, 1768, 2080, 2132, 2210, 2665, 2720, 2788, 3280, 3485, 3536, 4264, 4420, 5330, 5576, 6560, 6970, 7072, 8528, 8840, 9061, 10660, 11152, 13907, 13940, 17056, 17680, 18122, 21320, 22304, 27814, 27880, 35360, 36244, 42640, 45305, 55628, 55760, 69535, 72488, 85280, 90610, 111256, 111520, 139070, 144976, 180791, 181220, 222512, 236419, 278140, 289952, 361582, 362440, 445024, 472838, 556280, 570187, 723164, 724880, 903955, 945676, 1112560, 1140374, 1182095, 1446328, 1449760, 1807910, 1891352, 2225120, 2280748, 2364190, 2850935, 2892656, 3073447, 3615820, 3782704, 4561496, 4728380, 5701870, 5785312, 6146894, 7231640, 7412431, 7565408, 9122992, 9456760, 9693179, 11403740, 12293788, 14463280, 14824862, 15367235, 18245984, 18913520, 19386358, 22807480, 24587576, 28926560, 29649724, 30734470, 37062155, 37827040, 38772716, 45614960, 48465895, 49175152, 59299448, 61468940, 74124310, 77545432, 91229920, 96931790, 98350304, 118598896, 122937880, 126011327, 148248620, 155090864, 193863580, 237197792, 245875760, 252022654, 296497240, 310181728, 387727160, 491751520, 504045308, 592994480, 630056635, 775454320, 1008090616, 1185988960, 1260113270, 1550908640, 2016181232, 2520226540, 4032362464, 5040453080, 10080906160, 20161812320]

約数ペア:

[(1, 20161812320), (2, 10080906160), (4, 5040453080), (5, 4032362464), (8, 2520226540), (10, 2016181232), (13, 1550908640), (16, 1260113270), (17, 1185988960), (20, 1008090616), (26, 775454320), (32, 630056635), (34, 592994480), (40, 504045308), (41, 491751520), (52, 387727160), (65, 310181728), (68, 296497240), (80, 252022654), (82, 245875760), (85, 237197792), (104, 193863580), (130, 155090864), (136, 148248620), (160, 126011327), (164, 122937880), (170, 118598896), (205, 98350304), (208, 96931790), (221, 91229920), (260, 77545432), (272, 74124310), (328, 61468940), (340, 59299448), (410, 49175152), (416, 48465895), (442, 45614960), (520, 38772716), (533, 37827040), (544, 37062155), (656, 30734470), (680, 29649724), (697, 28926560), (820, 24587576), (884, 22807480), (1040, 19386358), (1066, 18913520), (1105, 18245984), (1312, 15367235), (1360, 14824862), (1394, 14463280), (1640, 12293788), (1768, 11403740), (2080, 9693179), (2132, 9456760), (2210, 9122992), (2665, 7565408), (2720, 7412431), (2788, 7231640), (3280, 6146894), (3485, 5785312), (3536, 5701870), (4264, 4728380), (4420, 4561496), (5330, 3782704), (5576, 3615820), (6560, 3073447), (6970, 2892656), (7072, 2850935), (8528, 2364190), (8840, 2280748), (9061, 2225120), (10660, 1891352), (11152, 1807910), (13907, 1449760), (13940, 1446328), (17056, 1182095), (17680, 1140374), (18122, 1112560), (21320, 945676), (22304, 903955), (27814, 724880), (27880, 723164), (35360, 570187), (36244, 556280), (42640, 472838), (45305, 445024), (55628, 362440), (55760, 361582), (69535, 289952), (72488, 278140), (85280, 236419), (90610, 222512), (111256, 181220), (111520, 180791), (139070, 144976)]