21770485760

素因数分解:

$2^{14}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 56055162240

約数和(自身を除く): 34284676480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 197, 256, 284, 304, 320, 355, 380, 394, 512, 568, 608, 640, 710, 760, 788, 985, 1024, 1136, 1216, 1280, 1349, 1420, 1520, 1576, 1970, 2048, 2272, 2432, 2560, 2698, 2840, 3040, 3152, 3743, 3940, 4096, 4544, 4864, 5120, 5396, 5680, 6080, 6304, 6745, 7486, 7880, 8192, 9088, 9728, 10240, 10792, 11360, 12160, 12608, 13490, 13987, 14972, 15760, 16384, 18176, 18715, 19456, 20480, 21584, 22720, 24320, 25216, 26980, 27974, 29944, 31520, 36352, 37430, 38912, 40960, 43168, 45440, 48640, 50432, 53960, 55948, 59888, 63040, 69935, 72704, 74860, 77824, 81920, 86336, 90880, 97280, 100864, 107920, 111896, 119776, 126080, 139870, 145408, 149720, 155648, 172672, 181760, 194560, 201728, 215840, 223792, 239552, 252160, 265753, 279740, 290816, 299440, 311296, 345344, 363520, 389120, 403456, 431680, 447584, 479104, 504320, 531506, 559480, 581632, 598880, 690688, 727040, 778240, 806912, 863360, 895168, 958208, 1008640, 1063012, 1118960, 1163264, 1197760, 1328765, 1381376, 1454080, 1556480, 1613824, 1726720, 1790336, 1916416, 2017280, 2126024, 2237920, 2395520, 2657530, 2762752, 2908160, 3227648, 3453440, 3580672, 3832832, 4034560, 4252048, 4475840, 4791040, 5315060, 5525504, 5816320, 6906880, 7161344, 7665664, 8069120, 8504096, 8951680, 9582080, 10630120, 11051008, 13813760, 14322688, 15331328, 16138240, 17008192, 17903360, 19164160, 21260240, 22102016, 27627520, 28645376, 30662656, 34016384, 35806720, 38328320, 42520480, 55255040, 57290752, 61325312, 68032768, 71613440, 76656640, 85040960, 110510080, 114581504, 136065536, 143226880, 153313280, 170081920, 229163008, 272131072, 286453760, 306626560, 340163840, 544262144, 572907520, 680327680, 1088524288, 1145815040, 1360655360, 2177048576, 2721310720, 4354097152, 5442621440, 10885242880, 21770485760]

約数ペア:

[(1, 21770485760), (2, 10885242880), (4, 5442621440), (5, 4354097152), (8, 2721310720), (10, 2177048576), (16, 1360655360), (19, 1145815040), (20, 1088524288), (32, 680327680), (38, 572907520), (40, 544262144), (64, 340163840), (71, 306626560), (76, 286453760), (80, 272131072), (95, 229163008), (128, 170081920), (142, 153313280), (152, 143226880), (160, 136065536), (190, 114581504), (197, 110510080), (256, 85040960), (284, 76656640), (304, 71613440), (320, 68032768), (355, 61325312), (380, 57290752), (394, 55255040), (512, 42520480), (568, 38328320), (608, 35806720), (640, 34016384), (710, 30662656), (760, 28645376), (788, 27627520), (985, 22102016), (1024, 21260240), (1136, 19164160), (1216, 17903360), (1280, 17008192), (1349, 16138240), (1420, 15331328), (1520, 14322688), (1576, 13813760), (1970, 11051008), (2048, 10630120), (2272, 9582080), (2432, 8951680), (2560, 8504096), (2698, 8069120), (2840, 7665664), (3040, 7161344), (3152, 6906880), (3743, 5816320), (3940, 5525504), (4096, 5315060), (4544, 4791040), (4864, 4475840), (5120, 4252048), (5396, 4034560), (5680, 3832832), (6080, 3580672), (6304, 3453440), (6745, 3227648), (7486, 2908160), (7880, 2762752), (8192, 2657530), (9088, 2395520), (9728, 2237920), (10240, 2126024), (10792, 2017280), (11360, 1916416), (12160, 1790336), (12608, 1726720), (13490, 1613824), (13987, 1556480), (14972, 1454080), (15760, 1381376), (16384, 1328765), (18176, 1197760), (18715, 1163264), (19456, 1118960), (20480, 1063012), (21584, 1008640), (22720, 958208), (24320, 895168), (25216, 863360), (26980, 806912), (27974, 778240), (29944, 727040), (31520, 690688), (36352, 598880), (37430, 581632), (38912, 559480), (40960, 531506), (43168, 504320), (45440, 479104), (48640, 447584), (50432, 431680), (53960, 403456), (55948, 389120), (59888, 363520), (63040, 345344), (69935, 311296), (72704, 299440), (74860, 290816), (77824, 279740), (81920, 265753), (86336, 252160), (90880, 239552), (97280, 223792), (100864, 215840), (107920, 201728), (111896, 194560), (119776, 181760), (126080, 172672), (139870, 155648), (145408, 149720)]