66689920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9473}}^1$

素因数の和:9503

約数の個数: 64

約数和(自身を含む): 173942640

約数和(自身を除く): 107252720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9473, 18946, 37892, 47365, 75784, 94730, 104203, 151568, 189460, 208406, 303136, 378920, 416812, 521015, 606272, 757840, 833624, 1042030, 1212544, 1515680, 1667248, 2084060, 3031360, 3334496, 4168120, 6062720, 6668992, 8336240, 13337984, 16672480, 33344960, 66689920]

約数ペア:

[(1, 66689920), (2, 33344960), (4, 16672480), (5, 13337984), (8, 8336240), (10, 6668992), (11, 6062720), (16, 4168120), (20, 3334496), (22, 3031360), (32, 2084060), (40, 1667248), (44, 1515680), (55, 1212544), (64, 1042030), (80, 833624), (88, 757840), (110, 606272), (128, 521015), (160, 416812), (176, 378920), (220, 303136), (320, 208406), (352, 189460), (440, 151568), (640, 104203), (704, 94730), (880, 75784), (1408, 47365), (1760, 37892), (3520, 18946), (7040, 9473)]