12135680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 30660000

約数和(自身を除く): 18524320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 499, 608, 640, 760, 998, 1216, 1280, 1520, 1996, 2432, 2495, 3040, 3992, 4864, 4990, 6080, 7984, 9481, 9980, 12160, 15968, 18962, 19960, 24320, 31936, 37924, 39920, 47405, 63872, 75848, 79840, 94810, 127744, 151696, 159680, 189620, 303392, 319360, 379240, 606784, 638720, 758480, 1213568, 1516960, 2427136, 3033920, 6067840, 12135680]

約数ペア:

[(1, 12135680), (2, 6067840), (4, 3033920), (5, 2427136), (8, 1516960), (10, 1213568), (16, 758480), (19, 638720), (20, 606784), (32, 379240), (38, 319360), (40, 303392), (64, 189620), (76, 159680), (80, 151696), (95, 127744), (128, 94810), (152, 79840), (160, 75848), (190, 63872), (256, 47405), (304, 39920), (320, 37924), (380, 31936), (499, 24320), (608, 19960), (640, 18962), (760, 15968), (998, 12160), (1216, 9980), (1280, 9481), (1520, 7984), (1996, 6080), (2432, 4990), (2495, 4864), (3040, 3992)]