64946560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 191862000

約数和(自身を除く): 126915440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 109, 112, 128, 133, 140, 152, 160, 190, 196, 218, 224, 245, 266, 280, 304, 320, 380, 392, 436, 448, 490, 532, 545, 560, 608, 640, 665, 760, 763, 784, 872, 896, 931, 980, 1064, 1090, 1120, 1216, 1330, 1520, 1526, 1568, 1744, 1862, 1960, 2071, 2128, 2180, 2240, 2432, 2660, 3040, 3052, 3136, 3488, 3724, 3815, 3920, 4142, 4256, 4360, 4480, 4655, 5320, 5341, 6080, 6104, 6272, 6976, 7448, 7630, 7840, 8284, 8512, 8720, 9310, 10355, 10640, 10682, 12160, 12208, 13952, 14497, 14896, 15260, 15680, 16568, 17024, 17440, 18620, 20710, 21280, 21364, 24416, 26705, 28994, 29792, 30520, 31360, 33136, 34880, 37240, 41420, 42560, 42728, 48832, 53410, 57988, 59584, 61040, 66272, 69760, 72485, 74480, 82840, 85120, 85456, 97664, 101479, 106820, 115976, 119168, 122080, 132544, 144970, 148960, 165680, 170912, 202958, 213640, 231952, 244160, 265088, 289940, 297920, 331360, 341824, 405916, 427280, 463904, 488320, 507395, 579880, 595840, 662720, 683648, 811832, 854560, 927808, 1014790, 1159760, 1325440, 1623664, 1709120, 1855616, 2029580, 2319520, 3247328, 3418240, 4059160, 4639040, 6494656, 8118320, 9278080, 12989312, 16236640, 32473280, 64946560]

約数ペア:

[(1, 64946560), (2, 32473280), (4, 16236640), (5, 12989312), (7, 9278080), (8, 8118320), (10, 6494656), (14, 4639040), (16, 4059160), (19, 3418240), (20, 3247328), (28, 2319520), (32, 2029580), (35, 1855616), (38, 1709120), (40, 1623664), (49, 1325440), (56, 1159760), (64, 1014790), (70, 927808), (76, 854560), (80, 811832), (95, 683648), (98, 662720), (109, 595840), (112, 579880), (128, 507395), (133, 488320), (140, 463904), (152, 427280), (160, 405916), (190, 341824), (196, 331360), (218, 297920), (224, 289940), (245, 265088), (266, 244160), (280, 231952), (304, 213640), (320, 202958), (380, 170912), (392, 165680), (436, 148960), (448, 144970), (490, 132544), (532, 122080), (545, 119168), (560, 115976), (608, 106820), (640, 101479), (665, 97664), (760, 85456), (763, 85120), (784, 82840), (872, 74480), (896, 72485), (931, 69760), (980, 66272), (1064, 61040), (1090, 59584), (1120, 57988), (1216, 53410), (1330, 48832), (1520, 42728), (1526, 42560), (1568, 41420), (1744, 37240), (1862, 34880), (1960, 33136), (2071, 31360), (2128, 30520), (2180, 29792), (2240, 28994), (2432, 26705), (2660, 24416), (3040, 21364), (3052, 21280), (3136, 20710), (3488, 18620), (3724, 17440), (3815, 17024), (3920, 16568), (4142, 15680), (4256, 15260), (4360, 14896), (4480, 14497), (4655, 13952), (5320, 12208), (5341, 12160), (6080, 10682), (6104, 10640), (6272, 10355), (6976, 9310), (7448, 8720), (7630, 8512), (7840, 8284)]