68855040

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 245525280

約数和(自身を除く): 176670240

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, 64, 72, 80, 86, 90, 96, 120, 128, 129, 139, 144, 160, 172, 180, 192, 215, 240, 256, 258, 278, 288, 320, 344, 360, 384, 387, 417, 430, 480, 516, 556, 576, 640, 645, 688, 695, 720, 768, 774, 834, 860, 960, 1032, 1112, 1152, 1251, 1280, 1290, 1376, 1390, 1440, 1548, 1668, 1720, 1920, 1935, 2064, 2085, 2224, 2304, 2502, 2580, 2752, 2780, 2880, 3096, 3336, 3440, 3840, 3870, 4128, 4170, 4448, 5004, 5160, 5504, 5560, 5760, 5977, 6192, 6255, 6672, 6880, 7740, 8256, 8340, 8896, 10008, 10320, 11008, 11120, 11520, 11954, 12384, 12510, 13344, 13760, 15480, 16512, 16680, 17792, 17931, 20016, 20640, 22240, 23908, 24768, 25020, 26688, 27520, 29885, 30960, 33024, 33360, 35584, 35862, 40032, 41280, 44480, 47816, 49536, 50040, 53376, 53793, 55040, 59770, 61920, 66720, 71724, 80064, 82560, 88960, 89655, 95632, 99072, 100080, 106752, 107586, 119540, 123840, 133440, 143448, 160128, 165120, 177920, 179310, 191264, 200160, 215172, 239080, 247680, 266880, 268965, 286896, 320256, 358620, 382528, 400320, 430344, 478160, 495360, 533760, 537930, 573792, 717240, 765056, 800640, 860688, 956320, 1075860, 1147584, 1434480, 1530112, 1601280, 1721376, 1912640, 2151720, 2295168, 2868960, 3442752, 3825280, 4303440, 4590336, 5737920, 6885504, 7650560, 8606880, 11475840, 13771008, 17213760, 22951680, 34427520, 68855040]

約数ペア:

[(1, 68855040), (2, 34427520), (3, 22951680), (4, 17213760), (5, 13771008), (6, 11475840), (8, 8606880), (9, 7650560), (10, 6885504), (12, 5737920), (15, 4590336), (16, 4303440), (18, 3825280), (20, 3442752), (24, 2868960), (30, 2295168), (32, 2151720), (36, 1912640), (40, 1721376), (43, 1601280), (45, 1530112), (48, 1434480), (60, 1147584), (64, 1075860), (72, 956320), (80, 860688), (86, 800640), (90, 765056), (96, 717240), (120, 573792), (128, 537930), (129, 533760), (139, 495360), (144, 478160), (160, 430344), (172, 400320), (180, 382528), (192, 358620), (215, 320256), (240, 286896), (256, 268965), (258, 266880), (278, 247680), (288, 239080), (320, 215172), (344, 200160), (360, 191264), (384, 179310), (387, 177920), (417, 165120), (430, 160128), (480, 143448), (516, 133440), (556, 123840), (576, 119540), (640, 107586), (645, 106752), (688, 100080), (695, 99072), (720, 95632), (768, 89655), (774, 88960), (834, 82560), (860, 80064), (960, 71724), (1032, 66720), (1112, 61920), (1152, 59770), (1251, 55040), (1280, 53793), (1290, 53376), (1376, 50040), (1390, 49536), (1440, 47816), (1548, 44480), (1668, 41280), (1720, 40032), (1920, 35862), (1935, 35584), (2064, 33360), (2085, 33024), (2224, 30960), (2304, 29885), (2502, 27520), (2580, 26688), (2752, 25020), (2780, 24768), (2880, 23908), (3096, 22240), (3336, 20640), (3440, 20016), (3840, 17931), (3870, 17792), (4128, 16680), (4170, 16512), (4448, 15480), (5004, 13760), (5160, 13344), (5504, 12510), (5560, 12384), (5760, 11954), (5977, 11520), (6192, 11120), (6255, 11008), (6672, 10320), (6880, 10008), (7740, 8896), (8256, 8340)]