12129920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 31652640

約数和(自身を除く): 19522720

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, 1723, 1760, 3446, 3520, 6892, 7040, 8615, 13784, 17230, 18953, 27568, 34460, 37906, 55136, 68920, 75812, 94765, 110272, 137840, 151624, 189530, 220544, 275680, 303248, 379060, 551360, 606496, 758120, 1102720, 1212992, 1516240, 2425984, 3032480, 6064960, 12129920]

約数ペア:

[(1, 12129920), (2, 6064960), (4, 3032480), (5, 2425984), (8, 1516240), (10, 1212992), (11, 1102720), (16, 758120), (20, 606496), (22, 551360), (32, 379060), (40, 303248), (44, 275680), (55, 220544), (64, 189530), (80, 151624), (88, 137840), (110, 110272), (128, 94765), (160, 75812), (176, 68920), (220, 55136), (320, 37906), (352, 34460), (440, 27568), (640, 18953), (704, 17230), (880, 13784), (1408, 8615), (1723, 7040), (1760, 6892), (3446, 3520)]