19921480320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34471}}^1$

素因数の和:34543

約数の個数: 256

約数和(自身を含む): 74260961280

約数和(自身を除く): 54339480960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 688, 840, 860, 896, 903, 960, 1032, 1120, 1204, 1290, 1344, 1376, 1505, 1680, 1720, 1806, 1920, 2064, 2240, 2408, 2580, 2688, 2752, 3010, 3360, 3440, 3612, 4128, 4480, 4515, 4816, 5160, 5504, 6020, 6720, 6880, 7224, 8256, 9030, 9632, 10320, 12040, 13440, 13760, 14448, 16512, 18060, 19264, 20640, 24080, 27520, 28896, 34471, 36120, 38528, 41280, 48160, 57792, 68942, 72240, 82560, 96320, 103413, 115584, 137884, 144480, 172355, 192640, 206826, 241297, 275768, 288960, 344710, 413652, 482594, 517065, 551536, 577920, 689420, 723891, 827304, 965188, 1034130, 1103072, 1206485, 1378840, 1447782, 1482253, 1654608, 1930376, 2068260, 2206144, 2412970, 2757680, 2895564, 2964506, 3309216, 3619455, 3860752, 4136520, 4412288, 4446759, 4825940, 5515360, 5791128, 5929012, 6618432, 7238910, 7411265, 7721504, 8273040, 8893518, 9651880, 10375771, 11030720, 11582256, 11858024, 13236864, 14477820, 14822530, 15443008, 16546080, 17787036, 19303760, 20751542, 22061440, 22233795, 23164512, 23716048, 28955640, 29645060, 30886016, 31127313, 33092160, 35574072, 38607520, 41503084, 44467590, 46329024, 47432096, 51878855, 57911280, 59290120, 62254626, 66184320, 71148144, 77215040, 83006168, 88935180, 92658048, 94864192, 103757710, 115822560, 118580240, 124509252, 142296288, 154430080, 155636565, 166012336, 177870360, 189728384, 207515420, 231645120, 237160480, 249018504, 284592576, 311273130, 332024672, 355740720, 415030840, 463290240, 474320960, 498037008, 569185152, 622546260, 664049344, 711481440, 830061680, 948641920, 996074016, 1245092520, 1328098688, 1422962880, 1660123360, 1992148032, 2490185040, 2845925760, 3320246720, 3984296064, 4980370080, 6640493440, 9960740160, 19921480320]

約数ペア:

[(1, 19921480320), (2, 9960740160), (3, 6640493440), (4, 4980370080), (5, 3984296064), (6, 3320246720), (7, 2845925760), (8, 2490185040), (10, 1992148032), (12, 1660123360), (14, 1422962880), (15, 1328098688), (16, 1245092520), (20, 996074016), (21, 948641920), (24, 830061680), (28, 711481440), (30, 664049344), (32, 622546260), (35, 569185152), (40, 498037008), (42, 474320960), (43, 463290240), (48, 415030840), (56, 355740720), (60, 332024672), (64, 311273130), (70, 284592576), (80, 249018504), (84, 237160480), (86, 231645120), (96, 207515420), (105, 189728384), (112, 177870360), (120, 166012336), (128, 155636565), (129, 154430080), (140, 142296288), (160, 124509252), (168, 118580240), (172, 115822560), (192, 103757710), (210, 94864192), (215, 92658048), (224, 88935180), (240, 83006168), (258, 77215040), (280, 71148144), (301, 66184320), (320, 62254626), (336, 59290120), (344, 57911280), (384, 51878855), (420, 47432096), (430, 46329024), (448, 44467590), (480, 41503084), (516, 38607520), (560, 35574072), (602, 33092160), (640, 31127313), (645, 30886016), (672, 29645060), (688, 28955640), (840, 23716048), (860, 23164512), (896, 22233795), (903, 22061440), (960, 20751542), (1032, 19303760), (1120, 17787036), (1204, 16546080), (1290, 15443008), (1344, 14822530), (1376, 14477820), (1505, 13236864), (1680, 11858024), (1720, 11582256), (1806, 11030720), (1920, 10375771), (2064, 9651880), (2240, 8893518), (2408, 8273040), (2580, 7721504), (2688, 7411265), (2752, 7238910), (3010, 6618432), (3360, 5929012), (3440, 5791128), (3612, 5515360), (4128, 4825940), (4480, 4446759), (4515, 4412288), (4816, 4136520), (5160, 3860752), (5504, 3619455), (6020, 3309216), (6720, 2964506), (6880, 2895564), (7224, 2757680), (8256, 2412970), (9030, 2206144), (9632, 2068260), (10320, 1930376), (12040, 1654608), (13440, 1482253), (13760, 1447782), (14448, 1378840), (16512, 1206485), (18060, 1103072), (19264, 1034130), (20640, 965188), (24080, 827304), (27520, 723891), (28896, 689420), (34471, 577920), (36120, 551536), (38528, 517065), (41280, 482594), (48160, 413652), (57792, 344710), (68942, 288960), (72240, 275768), (82560, 241297), (96320, 206826), (103413, 192640), (115584, 172355), (137884, 144480)]