247889040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 240

約数和(自身を含む): 906852672

約数和(自身を除く): 658963632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 107, 112, 120, 140, 147, 168, 196, 197, 210, 214, 240, 245, 280, 294, 321, 336, 392, 394, 420, 428, 490, 535, 560, 588, 591, 642, 735, 749, 784, 788, 840, 856, 980, 985, 1070, 1176, 1182, 1284, 1379, 1470, 1498, 1576, 1605, 1680, 1712, 1960, 1970, 2140, 2247, 2352, 2364, 2568, 2758, 2940, 2955, 2996, 3152, 3210, 3745, 3920, 3940, 4137, 4280, 4494, 4728, 5136, 5243, 5516, 5880, 5910, 5992, 6420, 6895, 7490, 7880, 8274, 8560, 8988, 9456, 9653, 10486, 11032, 11235, 11760, 11820, 11984, 12840, 13790, 14980, 15729, 15760, 16548, 17976, 19306, 20685, 20972, 21079, 22064, 22470, 23640, 25680, 26215, 27580, 28959, 29960, 31458, 33096, 35952, 38612, 41370, 41944, 42158, 44940, 47280, 48265, 52430, 55160, 57918, 59920, 62916, 63237, 66192, 77224, 78645, 82740, 83888, 84316, 89880, 96530, 104860, 105395, 110320, 115836, 125832, 126474, 144795, 147553, 154448, 157290, 165480, 168632, 179760, 193060, 209720, 210790, 231672, 251664, 252948, 289590, 295106, 314580, 316185, 330960, 337264, 386120, 419440, 421580, 442659, 463344, 505896, 579180, 590212, 629160, 632370, 737765, 772240, 843160, 885318, 1011792, 1032871, 1158360, 1180424, 1258320, 1264740, 1475530, 1686320, 1770636, 2065742, 2213295, 2316720, 2360848, 2529480, 2951060, 3098613, 3541272, 4131484, 4426590, 5058960, 5164355, 5902120, 6197226, 7082544, 8262968, 8853180, 10328710, 11804240, 12394452, 15493065, 16525936, 17706360, 20657420, 24788904, 30986130, 35412720, 41314840, 49577808, 61972260, 82629680, 123944520, 247889040]

約数ペア:

[(1, 247889040), (2, 123944520), (3, 82629680), (4, 61972260), (5, 49577808), (6, 41314840), (7, 35412720), (8, 30986130), (10, 24788904), (12, 20657420), (14, 17706360), (15, 16525936), (16, 15493065), (20, 12394452), (21, 11804240), (24, 10328710), (28, 8853180), (30, 8262968), (35, 7082544), (40, 6197226), (42, 5902120), (48, 5164355), (49, 5058960), (56, 4426590), (60, 4131484), (70, 3541272), (80, 3098613), (84, 2951060), (98, 2529480), (105, 2360848), (107, 2316720), (112, 2213295), (120, 2065742), (140, 1770636), (147, 1686320), (168, 1475530), (196, 1264740), (197, 1258320), (210, 1180424), (214, 1158360), (240, 1032871), (245, 1011792), (280, 885318), (294, 843160), (321, 772240), (336, 737765), (392, 632370), (394, 629160), (420, 590212), (428, 579180), (490, 505896), (535, 463344), (560, 442659), (588, 421580), (591, 419440), (642, 386120), (735, 337264), (749, 330960), (784, 316185), (788, 314580), (840, 295106), (856, 289590), (980, 252948), (985, 251664), (1070, 231672), (1176, 210790), (1182, 209720), (1284, 193060), (1379, 179760), (1470, 168632), (1498, 165480), (1576, 157290), (1605, 154448), (1680, 147553), (1712, 144795), (1960, 126474), (1970, 125832), (2140, 115836), (2247, 110320), (2352, 105395), (2364, 104860), (2568, 96530), (2758, 89880), (2940, 84316), (2955, 83888), (2996, 82740), (3152, 78645), (3210, 77224), (3745, 66192), (3920, 63237), (3940, 62916), (4137, 59920), (4280, 57918), (4494, 55160), (4728, 52430), (5136, 48265), (5243, 47280), (5516, 44940), (5880, 42158), (5910, 41944), (5992, 41370), (6420, 38612), (6895, 35952), (7490, 33096), (7880, 31458), (8274, 29960), (8560, 28959), (8988, 27580), (9456, 26215), (9653, 25680), (10486, 23640), (11032, 22470), (11235, 22064), (11760, 21079), (11820, 20972), (11984, 20685), (12840, 19306), (13790, 17976), (14980, 16548), (15729, 15760)]