20145377280

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1581

約数の個数: 416

約数和(自身を含む): 76092162048

約数和(自身を除く): 55946784768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1024, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1511, 1536, 1680, 1736, 1792, 1860, 1920, 1984, 2048, 2170, 2240, 2480, 2560, 2604, 2688, 2976, 3022, 3072, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 4096, 4340, 4480, 4533, 4960, 5120, 5208, 5376, 5952, 6044, 6144, 6510, 6720, 6944, 7168, 7440, 7555, 7680, 7936, 8680, 8960, 9066, 9920, 10240, 10416, 10577, 10752, 11904, 12088, 12288, 13020, 13440, 13888, 14336, 14880, 15110, 15360, 15872, 17360, 17920, 18132, 19840, 20480, 20832, 21154, 21504, 22665, 23808, 24176, 26040, 26880, 27776, 28672, 29760, 30220, 30720, 31731, 31744, 34720, 35840, 36264, 39680, 41664, 42308, 43008, 45330, 46841, 47616, 48352, 52080, 52885, 53760, 55552, 59520, 60440, 61440, 63462, 63488, 69440, 71680, 72528, 79360, 83328, 84616, 86016, 90660, 93682, 95232, 96704, 104160, 105770, 107520, 111104, 119040, 120880, 126924, 126976, 138880, 140523, 143360, 145056, 158655, 158720, 166656, 169232, 181320, 187364, 190464, 193408, 208320, 211540, 215040, 222208, 234205, 238080, 241760, 253848, 277760, 281046, 290112, 317310, 317440, 327887, 333312, 338464, 362640, 374728, 380928, 386816, 416640, 423080, 430080, 444416, 468410, 476160, 483520, 507696, 555520, 562092, 580224, 634620, 634880, 655774, 666624, 676928, 702615, 725280, 749456, 773632, 833280, 846160, 888832, 936820, 952320, 967040, 983661, 1015392, 1111040, 1124184, 1160448, 1269240, 1311548, 1333248, 1353856, 1405230, 1450560, 1498912, 1547264, 1639435, 1666560, 1692320, 1873640, 1904640, 1934080, 1967322, 2030784, 2222080, 2248368, 2320896, 2538480, 2623096, 2666496, 2707712, 2810460, 2901120, 2997824, 3094528, 3278870, 3333120, 3384640, 3747280, 3868160, 3934644, 4061568, 4444160, 4496736, 4641792, 4918305, 5076960, 5246192, 5415424, 5620920, 5802240, 5995648, 6189056, 6557740, 6666240, 6769280, 7494560, 7736320, 7869288, 8123136, 8993472, 9283584, 9836610, 10153920, 10492384, 10830848, 11241840, 11604480, 11991296, 13115480, 13332480, 13538560, 14989120, 15472640, 15738576, 16246272, 17986944, 18567168, 19673220, 20307840, 20984768, 21661696, 22483680, 23208960, 23982592, 26230960, 27077120, 29978240, 30945280, 31477152, 32492544, 35973888, 39346440, 40615680, 41969536, 43323392, 44967360, 46417920, 47965184, 52461920, 54154240, 59956480, 62954304, 64985088, 71947776, 78692880, 81231360, 83939072, 89934720, 92835840, 95930368, 104923840, 108308480, 119912960, 125908608, 129970176, 143895552, 157385760, 162462720, 167878144, 179869440, 191860736, 209847680, 216616960, 239825920, 251817216, 287791104, 314771520, 324925440, 335756288, 359738880, 419695360, 479651840, 503634432, 575582208, 629543040, 649850880, 671512576, 719477760, 839390720, 959303680, 1007268864, 1259086080, 1343025152, 1438955520, 1678781440, 2014537728, 2518172160, 2877911040, 3357562880, 4029075456, 5036344320, 6715125760, 10072688640, 20145377280]

約数ペア:

[(1, 20145377280), (2, 10072688640), (3, 6715125760), (4, 5036344320), (5, 4029075456), (6, 3357562880), (7, 2877911040), (8, 2518172160), (10, 2014537728), (12, 1678781440), (14, 1438955520), (15, 1343025152), (16, 1259086080), (20, 1007268864), (21, 959303680), (24, 839390720), (28, 719477760), (30, 671512576), (31, 649850880), (32, 629543040), (35, 575582208), (40, 503634432), (42, 479651840), (48, 419695360), (56, 359738880), (60, 335756288), (62, 324925440), (64, 314771520), (70, 287791104), (80, 251817216), (84, 239825920), (93, 216616960), (96, 209847680), (105, 191860736), (112, 179869440), (120, 167878144), (124, 162462720), (128, 157385760), (140, 143895552), (155, 129970176), (160, 125908608), (168, 119912960), (186, 108308480), (192, 104923840), (210, 95930368), (217, 92835840), (224, 89934720), (240, 83939072), (248, 81231360), (256, 78692880), (280, 71947776), (310, 64985088), (320, 62954304), (336, 59956480), (372, 54154240), (384, 52461920), (420, 47965184), (434, 46417920), (448, 44967360), (465, 43323392), (480, 41969536), (496, 40615680), (512, 39346440), (560, 35973888), (620, 32492544), (640, 31477152), (651, 30945280), (672, 29978240), (744, 27077120), (768, 26230960), (840, 23982592), (868, 23208960), (896, 22483680), (930, 21661696), (960, 20984768), (992, 20307840), (1024, 19673220), (1085, 18567168), (1120, 17986944), (1240, 16246272), (1280, 15738576), (1302, 15472640), (1344, 14989120), (1488, 13538560), (1511, 13332480), (1536, 13115480), (1680, 11991296), (1736, 11604480), (1792, 11241840), (1860, 10830848), (1920, 10492384), (1984, 10153920), (2048, 9836610), (2170, 9283584), (2240, 8993472), (2480, 8123136), (2560, 7869288), (2604, 7736320), (2688, 7494560), (2976, 6769280), (3022, 6666240), (3072, 6557740), (3255, 6189056), (3360, 5995648), (3472, 5802240), (3584, 5620920), (3720, 5415424), (3840, 5246192), (3968, 5076960), (4096, 4918305), (4340, 4641792), (4480, 4496736), (4533, 4444160), (4960, 4061568), (5120, 3934644), (5208, 3868160), (5376, 3747280), (5952, 3384640), (6044, 3333120), (6144, 3278870), (6510, 3094528), (6720, 2997824), (6944, 2901120), (7168, 2810460), (7440, 2707712), (7555, 2666496), (7680, 2623096), (7936, 2538480), (8680, 2320896), (8960, 2248368), (9066, 2222080), (9920, 2030784), (10240, 1967322), (10416, 1934080), (10577, 1904640), (10752, 1873640), (11904, 1692320), (12088, 1666560), (12288, 1639435), (13020, 1547264), (13440, 1498912), (13888, 1450560), (14336, 1405230), (14880, 1353856), (15110, 1333248), (15360, 1311548), (15872, 1269240), (17360, 1160448), (17920, 1124184), (18132, 1111040), (19840, 1015392), (20480, 983661), (20832, 967040), (21154, 952320), (21504, 936820), (22665, 888832), (23808, 846160), (24176, 833280), (26040, 773632), (26880, 749456), (27776, 725280), (28672, 702615), (29760, 676928), (30220, 666624), (30720, 655774), (31731, 634880), (31744, 634620), (34720, 580224), (35840, 562092), (36264, 555520), (39680, 507696), (41664, 483520), (42308, 476160), (43008, 468410), (45330, 444416), (46841, 430080), (47616, 423080), (48352, 416640), (52080, 386816), (52885, 380928), (53760, 374728), (55552, 362640), (59520, 338464), (60440, 333312), (61440, 327887), (63462, 317440), (63488, 317310), (69440, 290112), (71680, 281046), (72528, 277760), (79360, 253848), (83328, 241760), (84616, 238080), (86016, 234205), (90660, 222208), (93682, 215040), (95232, 211540), (96704, 208320), (104160, 193408), (105770, 190464), (107520, 187364), (111104, 181320), (119040, 169232), (120880, 166656), (126924, 158720), (126976, 158655), (138880, 145056), (140523, 143360)]