12912760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 20679560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 431, 535, 749, 856, 862, 1070, 1498, 1724, 2140, 2155, 2996, 3017, 3448, 3745, 4280, 4310, 5992, 6034, 7490, 8620, 12068, 14980, 15085, 17240, 24136, 29960, 30170, 46117, 60340, 92234, 120680, 184468, 230585, 322819, 368936, 461170, 645638, 922340, 1291276, 1614095, 1844680, 2582552, 3228190, 6456380, 12912760]

約数ペア:

[(1, 12912760), (2, 6456380), (4, 3228190), (5, 2582552), (7, 1844680), (8, 1614095), (10, 1291276), (14, 922340), (20, 645638), (28, 461170), (35, 368936), (40, 322819), (56, 230585), (70, 184468), (107, 120680), (140, 92234), (214, 60340), (280, 46117), (428, 30170), (431, 29960), (535, 24136), (749, 17240), (856, 15085), (862, 14980), (1070, 12068), (1498, 8620), (1724, 7490), (2140, 6034), (2155, 5992), (2996, 4310), (3017, 4280), (3448, 3745)]