20684072640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{279817}}^1$

素因数の和:279855

約数の個数: 224

約数和(自身を含む): 81876985344

約数和(自身を除く): 61192912704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3520, 3696, 4620, 4928, 5280, 6160, 6720, 7392, 9240, 10560, 12320, 14784, 18480, 24640, 36960, 73920, 279817, 559634, 839451, 1119268, 1399085, 1678902, 1958719, 2238536, 2798170, 3077987, 3357804, 3917438, 4197255, 4477072, 5596340, 5876157, 6155974, 6715608, 7834876, 8394510, 8954144, 9233961, 9793595, 11192680, 11752314, 12311948, 13431216, 15389935, 15669752, 16789020, 17908288, 18467922, 19587190, 21545909, 22385360, 23504628, 24623896, 26862432, 29380785, 30779870, 31339504, 33578040, 36935844, 39174380, 43091818, 44770720, 46169805, 47009256, 49247792, 53724864, 58761570, 61559740, 62679008, 64637727, 67156080, 73871688, 78348760, 86183636, 89541440, 92339610, 94018512, 98495584, 107729545, 117523140, 123119480, 125358016, 129275454, 134312160, 147743376, 156697520, 172367272, 184679220, 188037024, 196991168, 215459090, 235046280, 246238960, 258550908, 268624320, 295486752, 313395040, 323188635, 344734544, 369358440, 376074048, 430918180, 470092560, 492477920, 517101816, 590973504, 626790080, 646377270, 689469088, 738716880, 861836360, 940185120, 984955840, 1034203632, 1292754540, 1378938176, 1477433760, 1723672720, 1880370240, 2068407264, 2585509080, 2954867520, 3447345440, 4136814528, 5171018160, 6894690880, 10342036320, 20684072640]

約数ペア:

[(1, 20684072640), (2, 10342036320), (3, 6894690880), (4, 5171018160), (5, 4136814528), (6, 3447345440), (7, 2954867520), (8, 2585509080), (10, 2068407264), (11, 1880370240), (12, 1723672720), (14, 1477433760), (15, 1378938176), (16, 1292754540), (20, 1034203632), (21, 984955840), (22, 940185120), (24, 861836360), (28, 738716880), (30, 689469088), (32, 646377270), (33, 626790080), (35, 590973504), (40, 517101816), (42, 492477920), (44, 470092560), (48, 430918180), (55, 376074048), (56, 369358440), (60, 344734544), (64, 323188635), (66, 313395040), (70, 295486752), (77, 268624320), (80, 258550908), (84, 246238960), (88, 235046280), (96, 215459090), (105, 196991168), (110, 188037024), (112, 184679220), (120, 172367272), (132, 156697520), (140, 147743376), (154, 134312160), (160, 129275454), (165, 125358016), (168, 123119480), (176, 117523140), (192, 107729545), (210, 98495584), (220, 94018512), (224, 92339610), (231, 89541440), (240, 86183636), (264, 78348760), (280, 73871688), (308, 67156080), (320, 64637727), (330, 62679008), (336, 61559740), (352, 58761570), (385, 53724864), (420, 49247792), (440, 47009256), (448, 46169805), (462, 44770720), (480, 43091818), (528, 39174380), (560, 36935844), (616, 33578040), (660, 31339504), (672, 30779870), (704, 29380785), (770, 26862432), (840, 24623896), (880, 23504628), (924, 22385360), (960, 21545909), (1056, 19587190), (1120, 18467922), (1155, 17908288), (1232, 16789020), (1320, 15669752), (1344, 15389935), (1540, 13431216), (1680, 12311948), (1760, 11752314), (1848, 11192680), (2112, 9793595), (2240, 9233961), (2310, 8954144), (2464, 8394510), (2640, 7834876), (3080, 6715608), (3360, 6155974), (3520, 5876157), (3696, 5596340), (4620, 4477072), (4928, 4197255), (5280, 3917438), (6160, 3357804), (6720, 3077987), (7392, 2798170), (9240, 2238536), (10560, 1958719), (12320, 1678902), (14784, 1399085), (18480, 1119268), (24640, 839451), (36960, 559634), (73920, 279817)]