15678839680

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2197

約数の個数: 192

約数和(自身を含む): 43790582880

約数和(自身を除く): 28111743200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 263, 280, 320, 392, 448, 490, 526, 560, 640, 784, 896, 980, 1052, 1120, 1315, 1568, 1841, 1901, 1960, 2104, 2240, 2630, 3136, 3682, 3802, 3920, 4208, 4480, 5260, 6272, 7364, 7604, 7840, 8416, 9205, 9505, 10520, 12887, 13307, 14728, 15208, 15680, 16832, 18410, 19010, 21040, 25774, 26614, 29456, 30416, 31360, 33664, 36820, 38020, 42080, 51548, 53228, 58912, 60832, 64435, 66535, 73640, 76040, 84160, 93149, 103096, 106456, 117824, 121664, 128870, 133070, 147280, 152080, 168320, 186298, 206192, 212912, 235648, 243328, 257740, 266140, 294560, 304160, 372596, 412384, 425824, 465745, 499963, 515480, 532280, 589120, 608320, 745192, 824768, 851648, 931490, 999926, 1030960, 1064560, 1178240, 1216640, 1490384, 1649536, 1703296, 1862980, 1999852, 2061920, 2129120, 2499815, 2980768, 3499741, 3725960, 3999704, 4123840, 4258240, 4999630, 5961536, 6999482, 7451920, 7999408, 8247680, 8516480, 9999260, 11923072, 13998964, 14903840, 15998816, 17498705, 19998520, 24498187, 27997928, 29807680, 31997632, 34997410, 39997040, 48996374, 55995856, 59615360, 63995264, 69994820, 79994080, 97992748, 111991712, 122490935, 139989640, 159988160, 195985496, 223983424, 244981870, 279979280, 319976320, 391970992, 447966848, 489963740, 559958560, 783941984, 979927480, 1119917120, 1567883968, 1959854960, 2239834240, 3135767936, 3919709920, 7839419840, 15678839680]

約数ペア:

[(1, 15678839680), (2, 7839419840), (4, 3919709920), (5, 3135767936), (7, 2239834240), (8, 1959854960), (10, 1567883968), (14, 1119917120), (16, 979927480), (20, 783941984), (28, 559958560), (32, 489963740), (35, 447966848), (40, 391970992), (49, 319976320), (56, 279979280), (64, 244981870), (70, 223983424), (80, 195985496), (98, 159988160), (112, 139989640), (128, 122490935), (140, 111991712), (160, 97992748), (196, 79994080), (224, 69994820), (245, 63995264), (263, 59615360), (280, 55995856), (320, 48996374), (392, 39997040), (448, 34997410), (490, 31997632), (526, 29807680), (560, 27997928), (640, 24498187), (784, 19998520), (896, 17498705), (980, 15998816), (1052, 14903840), (1120, 13998964), (1315, 11923072), (1568, 9999260), (1841, 8516480), (1901, 8247680), (1960, 7999408), (2104, 7451920), (2240, 6999482), (2630, 5961536), (3136, 4999630), (3682, 4258240), (3802, 4123840), (3920, 3999704), (4208, 3725960), (4480, 3499741), (5260, 2980768), (6272, 2499815), (7364, 2129120), (7604, 2061920), (7840, 1999852), (8416, 1862980), (9205, 1703296), (9505, 1649536), (10520, 1490384), (12887, 1216640), (13307, 1178240), (14728, 1064560), (15208, 1030960), (15680, 999926), (16832, 931490), (18410, 851648), (19010, 824768), (21040, 745192), (25774, 608320), (26614, 589120), (29456, 532280), (30416, 515480), (31360, 499963), (33664, 465745), (36820, 425824), (38020, 412384), (42080, 372596), (51548, 304160), (53228, 294560), (58912, 266140), (60832, 257740), (64435, 243328), (66535, 235648), (73640, 212912), (76040, 206192), (84160, 186298), (93149, 168320), (103096, 152080), (106456, 147280), (117824, 133070), (121664, 128870)]