312757920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5051}}^1$

素因数の和:5115

約数の個数: 144

約数和(自身を含む): 1092323232

約数和(自身を除く): 779565312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 5051, 5160, 6192, 6880, 7740, 10102, 10320, 12384, 15153, 15480, 20204, 20640, 25255, 30306, 30960, 40408, 45459, 50510, 60612, 61920, 75765, 80816, 90918, 101020, 121224, 151530, 161632, 181836, 202040, 217193, 227295, 242448, 303060, 363672, 404080, 434386, 454590, 484896, 606120, 651579, 727344, 808160, 868772, 909180, 1085965, 1212240, 1303158, 1454688, 1737544, 1818360, 1954737, 2171930, 2424480, 2606316, 3257895, 3475088, 3636720, 3909474, 4343860, 5212632, 6515790, 6950176, 7273440, 7818948, 8687720, 9773685, 10425264, 13031580, 15637896, 17375440, 19547370, 20850528, 26063160, 31275792, 34750880, 39094740, 52126320, 62551584, 78189480, 104252640, 156378960, 312757920]

約数ペア:

[(1, 312757920), (2, 156378960), (3, 104252640), (4, 78189480), (5, 62551584), (6, 52126320), (8, 39094740), (9, 34750880), (10, 31275792), (12, 26063160), (15, 20850528), (16, 19547370), (18, 17375440), (20, 15637896), (24, 13031580), (30, 10425264), (32, 9773685), (36, 8687720), (40, 7818948), (43, 7273440), (45, 6950176), (48, 6515790), (60, 5212632), (72, 4343860), (80, 3909474), (86, 3636720), (90, 3475088), (96, 3257895), (120, 2606316), (129, 2424480), (144, 2171930), (160, 1954737), (172, 1818360), (180, 1737544), (215, 1454688), (240, 1303158), (258, 1212240), (288, 1085965), (344, 909180), (360, 868772), (387, 808160), (430, 727344), (480, 651579), (516, 606120), (645, 484896), (688, 454590), (720, 434386), (774, 404080), (860, 363672), (1032, 303060), (1290, 242448), (1376, 227295), (1440, 217193), (1548, 202040), (1720, 181836), (1935, 161632), (2064, 151530), (2580, 121224), (3096, 101020), (3440, 90918), (3870, 80816), (4128, 75765), (5051, 61920), (5160, 60612), (6192, 50510), (6880, 45459), (7740, 40408), (10102, 30960), (10320, 30306), (12384, 25255), (15153, 20640), (15480, 20204)]