121347520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 168

約数和(自身を含む): 343997280

約数和(自身を除く): 222649760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 71, 80, 98, 109, 112, 140, 142, 160, 196, 218, 224, 245, 280, 284, 320, 355, 392, 436, 448, 490, 497, 545, 560, 568, 710, 763, 784, 872, 980, 994, 1090, 1120, 1136, 1420, 1526, 1568, 1744, 1960, 1988, 2180, 2240, 2272, 2485, 2840, 3052, 3136, 3479, 3488, 3815, 3920, 3976, 4360, 4544, 4970, 5341, 5680, 6104, 6958, 6976, 7630, 7739, 7840, 7952, 8720, 9940, 10682, 11360, 12208, 13916, 15260, 15478, 15680, 15904, 17395, 17440, 19880, 21364, 22720, 24416, 26705, 27832, 30520, 30956, 31808, 34790, 34880, 38695, 39760, 42728, 48832, 53410, 54173, 55664, 61040, 61912, 69580, 77390, 79520, 85456, 106820, 108346, 111328, 122080, 123824, 139160, 154780, 159040, 170912, 213640, 216692, 222656, 244160, 247648, 270865, 278320, 309560, 341824, 379211, 427280, 433384, 495296, 541730, 556640, 619120, 758422, 854560, 866768, 1083460, 1113280, 1238240, 1516844, 1709120, 1733536, 1896055, 2166920, 2476480, 3033688, 3467072, 3792110, 4333840, 6067376, 7584220, 8667680, 12134752, 15168440, 17335360, 24269504, 30336880, 60673760, 121347520]

約数ペア:

[(1, 121347520), (2, 60673760), (4, 30336880), (5, 24269504), (7, 17335360), (8, 15168440), (10, 12134752), (14, 8667680), (16, 7584220), (20, 6067376), (28, 4333840), (32, 3792110), (35, 3467072), (40, 3033688), (49, 2476480), (56, 2166920), (64, 1896055), (70, 1733536), (71, 1709120), (80, 1516844), (98, 1238240), (109, 1113280), (112, 1083460), (140, 866768), (142, 854560), (160, 758422), (196, 619120), (218, 556640), (224, 541730), (245, 495296), (280, 433384), (284, 427280), (320, 379211), (355, 341824), (392, 309560), (436, 278320), (448, 270865), (490, 247648), (497, 244160), (545, 222656), (560, 216692), (568, 213640), (710, 170912), (763, 159040), (784, 154780), (872, 139160), (980, 123824), (994, 122080), (1090, 111328), (1120, 108346), (1136, 106820), (1420, 85456), (1526, 79520), (1568, 77390), (1744, 69580), (1960, 61912), (1988, 61040), (2180, 55664), (2240, 54173), (2272, 53410), (2485, 48832), (2840, 42728), (3052, 39760), (3136, 38695), (3479, 34880), (3488, 34790), (3815, 31808), (3920, 30956), (3976, 30520), (4360, 27832), (4544, 26705), (4970, 24416), (5341, 22720), (5680, 21364), (6104, 19880), (6958, 17440), (6976, 17395), (7630, 15904), (7739, 15680), (7840, 15478), (7952, 15260), (8720, 13916), (9940, 12208), (10682, 11360)]