1991569440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1297}}^1$

素因数の和:1779

約数の個数: 192

約数和(自身を含む): 7190878464

約数和(自身を除く): 5199309024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 457, 480, 560, 672, 840, 914, 1120, 1297, 1371, 1680, 1828, 2285, 2594, 2742, 3199, 3360, 3656, 3891, 4570, 5188, 5484, 6398, 6485, 6855, 7312, 7782, 9079, 9140, 9597, 10376, 10968, 12796, 12970, 13710, 14624, 15564, 15995, 18158, 18280, 19194, 19455, 20752, 21936, 25592, 25940, 27237, 27420, 31128, 31990, 36316, 36560, 38388, 38910, 41504, 43872, 45395, 47985, 51184, 51880, 54474, 54840, 62256, 63980, 72632, 73120, 76776, 77820, 90790, 95970, 102368, 103760, 108948, 109680, 124512, 127960, 136185, 145264, 153552, 155640, 181580, 191940, 207520, 217896, 219360, 255920, 272370, 290528, 307104, 311280, 363160, 383880, 435792, 511840, 544740, 592729, 622560, 726320, 767760, 871584, 1089480, 1185458, 1452640, 1535520, 1778187, 2178960, 2370916, 2963645, 3556374, 4149103, 4357920, 4741832, 5927290, 7112748, 8298206, 8890935, 9483664, 11854580, 12447309, 14225496, 16596412, 17781870, 18967328, 20745515, 23709160, 24894618, 28450992, 33192824, 35563740, 41491030, 47418320, 49789236, 56901984, 62236545, 66385648, 71127480, 82982060, 94836640, 99578472, 124473090, 132771296, 142254960, 165964120, 199156944, 248946180, 284509920, 331928240, 398313888, 497892360, 663856480, 995784720, 1991569440]

約数ペア:

[(1, 1991569440), (2, 995784720), (3, 663856480), (4, 497892360), (5, 398313888), (6, 331928240), (7, 284509920), (8, 248946180), (10, 199156944), (12, 165964120), (14, 142254960), (15, 132771296), (16, 124473090), (20, 99578472), (21, 94836640), (24, 82982060), (28, 71127480), (30, 66385648), (32, 62236545), (35, 56901984), (40, 49789236), (42, 47418320), (48, 41491030), (56, 35563740), (60, 33192824), (70, 28450992), (80, 24894618), (84, 23709160), (96, 20745515), (105, 18967328), (112, 17781870), (120, 16596412), (140, 14225496), (160, 12447309), (168, 11854580), (210, 9483664), (224, 8890935), (240, 8298206), (280, 7112748), (336, 5927290), (420, 4741832), (457, 4357920), (480, 4149103), (560, 3556374), (672, 2963645), (840, 2370916), (914, 2178960), (1120, 1778187), (1297, 1535520), (1371, 1452640), (1680, 1185458), (1828, 1089480), (2285, 871584), (2594, 767760), (2742, 726320), (3199, 622560), (3360, 592729), (3656, 544740), (3891, 511840), (4570, 435792), (5188, 383880), (5484, 363160), (6398, 311280), (6485, 307104), (6855, 290528), (7312, 272370), (7782, 255920), (9079, 219360), (9140, 217896), (9597, 207520), (10376, 191940), (10968, 181580), (12796, 155640), (12970, 153552), (13710, 145264), (14624, 136185), (15564, 127960), (15995, 124512), (18158, 109680), (18280, 108948), (19194, 103760), (19455, 102368), (20752, 95970), (21936, 90790), (25592, 77820), (25940, 76776), (27237, 73120), (27420, 72632), (31128, 63980), (31990, 62256), (36316, 54840), (36560, 54474), (38388, 51880), (38910, 51184), (41504, 47985), (43872, 45395)]