20161496800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:510

約数の個数: 288

約数和(自身を含む): 53896987872

約数和(自身を除く): 33735491072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 53, 68, 80, 83, 85, 100, 106, 136, 160, 166, 170, 200, 212, 265, 272, 332, 337, 340, 400, 415, 424, 425, 530, 544, 664, 674, 680, 800, 830, 848, 850, 901, 1060, 1325, 1328, 1348, 1360, 1411, 1660, 1685, 1696, 1700, 1802, 2075, 2120, 2650, 2656, 2696, 2720, 2822, 3320, 3370, 3400, 3604, 4150, 4240, 4399, 4505, 5300, 5392, 5644, 5729, 6640, 6740, 6800, 7055, 7208, 8300, 8425, 8480, 8798, 9010, 10600, 10784, 11288, 11458, 13280, 13480, 13600, 14110, 14416, 16600, 16850, 17596, 17861, 18020, 21200, 21995, 22525, 22576, 22916, 26960, 27971, 28220, 28645, 28832, 33200, 33700, 35192, 35275, 35722, 36040, 42400, 43990, 45050, 45152, 45832, 53920, 55942, 56440, 57290, 66400, 67400, 70384, 70550, 71444, 72080, 74783, 87980, 89305, 90100, 91664, 109975, 111884, 112880, 114580, 134800, 139855, 140768, 141100, 142888, 143225, 144160, 149566, 175960, 178610, 180200, 183328, 219950, 223768, 225760, 229160, 269600, 279710, 282200, 285776, 286450, 299132, 303637, 351920, 357220, 360400, 373915, 439900, 446525, 447536, 458320, 475507, 559420, 564400, 571552, 572900, 598264, 607274, 699275, 703840, 714440, 720800, 747830, 879800, 893050, 895072, 916640, 951014, 1118840, 1128800, 1145800, 1196528, 1214548, 1398550, 1428880, 1482463, 1495660, 1518185, 1759600, 1786100, 1869575, 1902028, 2237680, 2291600, 2377535, 2393056, 2429096, 2797100, 2857760, 2964926, 2991320, 3036370, 3519200, 3572200, 3739150, 3804056, 4475360, 4583200, 4755070, 4858192, 5594200, 5929852, 5982640, 6072740, 7144400, 7412315, 7478300, 7590925, 7608112, 9510140, 9716384, 11188400, 11859704, 11887675, 11965280, 12145480, 14288800, 14824630, 14956600, 15181850, 15216224, 19020280, 22376800, 23719408, 23775350, 24290960, 25201871, 29649260, 29913200, 30363700, 37061575, 38040560, 47438816, 47550700, 48581920, 50403742, 59298520, 59826400, 60727400, 74123150, 76081120, 95101400, 100807484, 118597040, 121454800, 126009355, 148246300, 190202800, 201614968, 237194080, 242909600, 252018710, 296492600, 380405600, 403229936, 504037420, 592985200, 630046775, 806459872, 1008074840, 1185970400, 1260093550, 2016149680, 2520187100, 4032299360, 5040374200, 10080748400, 20161496800]

約数ペア:

[(1, 20161496800), (2, 10080748400), (4, 5040374200), (5, 4032299360), (8, 2520187100), (10, 2016149680), (16, 1260093550), (17, 1185970400), (20, 1008074840), (25, 806459872), (32, 630046775), (34, 592985200), (40, 504037420), (50, 403229936), (53, 380405600), (68, 296492600), (80, 252018710), (83, 242909600), (85, 237194080), (100, 201614968), (106, 190202800), (136, 148246300), (160, 126009355), (166, 121454800), (170, 118597040), (200, 100807484), (212, 95101400), (265, 76081120), (272, 74123150), (332, 60727400), (337, 59826400), (340, 59298520), (400, 50403742), (415, 48581920), (424, 47550700), (425, 47438816), (530, 38040560), (544, 37061575), (664, 30363700), (674, 29913200), (680, 29649260), (800, 25201871), (830, 24290960), (848, 23775350), (850, 23719408), (901, 22376800), (1060, 19020280), (1325, 15216224), (1328, 15181850), (1348, 14956600), (1360, 14824630), (1411, 14288800), (1660, 12145480), (1685, 11965280), (1696, 11887675), (1700, 11859704), (1802, 11188400), (2075, 9716384), (2120, 9510140), (2650, 7608112), (2656, 7590925), (2696, 7478300), (2720, 7412315), (2822, 7144400), (3320, 6072740), (3370, 5982640), (3400, 5929852), (3604, 5594200), (4150, 4858192), (4240, 4755070), (4399, 4583200), (4505, 4475360), (5300, 3804056), (5392, 3739150), (5644, 3572200), (5729, 3519200), (6640, 3036370), (6740, 2991320), (6800, 2964926), (7055, 2857760), (7208, 2797100), (8300, 2429096), (8425, 2393056), (8480, 2377535), (8798, 2291600), (9010, 2237680), (10600, 1902028), (10784, 1869575), (11288, 1786100), (11458, 1759600), (13280, 1518185), (13480, 1495660), (13600, 1482463), (14110, 1428880), (14416, 1398550), (16600, 1214548), (16850, 1196528), (17596, 1145800), (17861, 1128800), (18020, 1118840), (21200, 951014), (21995, 916640), (22525, 895072), (22576, 893050), (22916, 879800), (26960, 747830), (27971, 720800), (28220, 714440), (28645, 703840), (28832, 699275), (33200, 607274), (33700, 598264), (35192, 572900), (35275, 571552), (35722, 564400), (36040, 559420), (42400, 475507), (43990, 458320), (45050, 447536), (45152, 446525), (45832, 439900), (53920, 373915), (55942, 360400), (56440, 357220), (57290, 351920), (66400, 303637), (67400, 299132), (70384, 286450), (70550, 285776), (71444, 282200), (72080, 279710), (74783, 269600), (87980, 229160), (89305, 225760), (90100, 223768), (91664, 219950), (109975, 183328), (111884, 180200), (112880, 178610), (114580, 175960), (134800, 149566), (139855, 144160), (140768, 143225), (141100, 142888)]