115457920

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2135

約数の個数: 64

約数和(自身を含む): 279255600

約数和(自身を除く): 163797680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2027, 2848, 3560, 4054, 5696, 7120, 8108, 10135, 11392, 14240, 16216, 20270, 28480, 32432, 40540, 56960, 64864, 81080, 129728, 162160, 180403, 259456, 324320, 360806, 648640, 721612, 902015, 1297280, 1443224, 1804030, 2886448, 3608060, 5772896, 7216120, 11545792, 14432240, 23091584, 28864480, 57728960, 115457920]

約数ペア:

[(1, 115457920), (2, 57728960), (4, 28864480), (5, 23091584), (8, 14432240), (10, 11545792), (16, 7216120), (20, 5772896), (32, 3608060), (40, 2886448), (64, 1804030), (80, 1443224), (89, 1297280), (128, 902015), (160, 721612), (178, 648640), (320, 360806), (356, 324320), (445, 259456), (640, 180403), (712, 162160), (890, 129728), (1424, 81080), (1780, 64864), (2027, 56960), (2848, 40540), (3560, 32432), (4054, 28480), (5696, 20270), (7120, 16216), (8108, 14240), (10135, 11392)]