20978059320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{967}}^1$

素因数の和:1419

約数の個数: 256

約数和(自身を含む): 71508096000

約数和(自身を除く): 50530036680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 379, 424, 477, 530, 540, 636, 758, 795, 954, 967, 1060, 1080, 1137, 1272, 1431, 1516, 1590, 1895, 1908, 1934, 2120, 2274, 2385, 2862, 2901, 3032, 3180, 3411, 3790, 3816, 3868, 4548, 4770, 4835, 5685, 5724, 5802, 6360, 6822, 7155, 7580, 7736, 8703, 9096, 9540, 9670, 10233, 11370, 11448, 11604, 13644, 14310, 14505, 15160, 17055, 17406, 19080, 19340, 20087, 20466, 22740, 23208, 26109, 27288, 28620, 29010, 34110, 34812, 38680, 40174, 40932, 43515, 45480, 51165, 51251, 52218, 57240, 58020, 60261, 68220, 69624, 80348, 81864, 87030, 100435, 102330, 102502, 104436, 116040, 120522, 130545, 136440, 153753, 160696, 174060, 180783, 200870, 204660, 205004, 208872, 241044, 256255, 261090, 301305, 307506, 348120, 361566, 366493, 401740, 409320, 410008, 461259, 482088, 512510, 522180, 542349, 602610, 615012, 723132, 732986, 768765, 803480, 903915, 922518, 1025020, 1044360, 1084698, 1099479, 1205220, 1230024, 1383777, 1446264, 1465972, 1537530, 1807830, 1832465, 1845036, 2050040, 2169396, 2198958, 2306295, 2410440, 2711745, 2767554, 2931944, 3075060, 3298437, 3615660, 3664930, 3690072, 4338792, 4397916, 4612590, 5423490, 5497395, 5535108, 6150120, 6596874, 6918885, 7231320, 7329860, 8795832, 9225180, 9895311, 10846980, 10994790, 11070216, 13193748, 13837770, 14659720, 16492185, 18450360, 19424129, 19790622, 21693960, 21989580, 26387496, 27675540, 32984370, 38848258, 39581244, 43979160, 49476555, 55351080, 58272387, 65968740, 77696516, 79162488, 97120645, 98953110, 116544774, 131937480, 155393032, 174817161, 194241290, 197906220, 233089548, 291361935, 349634322, 388482580, 395812440, 466179096, 524451483, 582723870, 699268644, 776965160, 874085805, 1048902966, 1165447740, 1398537288, 1748171610, 2097805932, 2330895480, 2622257415, 3496343220, 4195611864, 5244514830, 6992686440, 10489029660, 20978059320]

約数ペア:

[(1, 20978059320), (2, 10489029660), (3, 6992686440), (4, 5244514830), (5, 4195611864), (6, 3496343220), (8, 2622257415), (9, 2330895480), (10, 2097805932), (12, 1748171610), (15, 1398537288), (18, 1165447740), (20, 1048902966), (24, 874085805), (27, 776965160), (30, 699268644), (36, 582723870), (40, 524451483), (45, 466179096), (53, 395812440), (54, 388482580), (60, 349634322), (72, 291361935), (90, 233089548), (106, 197906220), (108, 194241290), (120, 174817161), (135, 155393032), (159, 131937480), (180, 116544774), (212, 98953110), (216, 97120645), (265, 79162488), (270, 77696516), (318, 65968740), (360, 58272387), (379, 55351080), (424, 49476555), (477, 43979160), (530, 39581244), (540, 38848258), (636, 32984370), (758, 27675540), (795, 26387496), (954, 21989580), (967, 21693960), (1060, 19790622), (1080, 19424129), (1137, 18450360), (1272, 16492185), (1431, 14659720), (1516, 13837770), (1590, 13193748), (1895, 11070216), (1908, 10994790), (1934, 10846980), (2120, 9895311), (2274, 9225180), (2385, 8795832), (2862, 7329860), (2901, 7231320), (3032, 6918885), (3180, 6596874), (3411, 6150120), (3790, 5535108), (3816, 5497395), (3868, 5423490), (4548, 4612590), (4770, 4397916), (4835, 4338792), (5685, 3690072), (5724, 3664930), (5802, 3615660), (6360, 3298437), (6822, 3075060), (7155, 2931944), (7580, 2767554), (7736, 2711745), (8703, 2410440), (9096, 2306295), (9540, 2198958), (9670, 2169396), (10233, 2050040), (11370, 1845036), (11448, 1832465), (11604, 1807830), (13644, 1537530), (14310, 1465972), (14505, 1446264), (15160, 1383777), (17055, 1230024), (17406, 1205220), (19080, 1099479), (19340, 1084698), (20087, 1044360), (20466, 1025020), (22740, 922518), (23208, 903915), (26109, 803480), (27288, 768765), (28620, 732986), (29010, 723132), (34110, 615012), (34812, 602610), (38680, 542349), (40174, 522180), (40932, 512510), (43515, 482088), (45480, 461259), (51165, 410008), (51251, 409320), (52218, 401740), (57240, 366493), (58020, 361566), (60261, 348120), (68220, 307506), (69624, 301305), (80348, 261090), (81864, 256255), (87030, 241044), (100435, 208872), (102330, 205004), (102502, 204660), (104436, 200870), (116040, 180783), (120522, 174060), (130545, 160696), (136440, 153753)]