247865760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4003}}^1$

素因数の和:4067

約数の個数: 144

約数和(自身を含む): 865728864

約数和(自身を除く): 617863104

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, 4003, 4128, 5160, 6192, 6880, 7740, 8006, 10320, 12009, 12384, 15480, 16012, 20015, 20640, 24018, 30960, 32024, 36027, 40030, 48036, 60045, 61920, 64048, 72054, 80060, 96072, 120090, 128096, 144108, 160120, 172129, 180135, 192144, 240180, 288216, 320240, 344258, 360270, 384288, 480360, 516387, 576432, 640480, 688516, 720540, 860645, 960720, 1032774, 1152864, 1377032, 1441080, 1549161, 1721290, 1921440, 2065548, 2581935, 2754064, 2882160, 3098322, 3442580, 4131096, 5163870, 5508128, 5764320, 6196644, 6885160, 7745805, 8262192, 10327740, 12393288, 13770320, 15491610, 16524384, 20655480, 24786576, 27540640, 30983220, 41310960, 49573152, 61966440, 82621920, 123932880, 247865760]

約数ペア:

[(1, 247865760), (2, 123932880), (3, 82621920), (4, 61966440), (5, 49573152), (6, 41310960), (8, 30983220), (9, 27540640), (10, 24786576), (12, 20655480), (15, 16524384), (16, 15491610), (18, 13770320), (20, 12393288), (24, 10327740), (30, 8262192), (32, 7745805), (36, 6885160), (40, 6196644), (43, 5764320), (45, 5508128), (48, 5163870), (60, 4131096), (72, 3442580), (80, 3098322), (86, 2882160), (90, 2754064), (96, 2581935), (120, 2065548), (129, 1921440), (144, 1721290), (160, 1549161), (172, 1441080), (180, 1377032), (215, 1152864), (240, 1032774), (258, 960720), (288, 860645), (344, 720540), (360, 688516), (387, 640480), (430, 576432), (480, 516387), (516, 480360), (645, 384288), (688, 360270), (720, 344258), (774, 320240), (860, 288216), (1032, 240180), (1290, 192144), (1376, 180135), (1440, 172129), (1548, 160120), (1720, 144108), (1935, 128096), (2064, 120090), (2580, 96072), (3096, 80060), (3440, 72054), (3870, 64048), (4003, 61920), (4128, 60045), (5160, 48036), (6192, 40030), (6880, 36027), (7740, 32024), (8006, 30960), (10320, 24018), (12009, 20640), (12384, 20015), (15480, 16012)]