129504640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11903}}^1$

素因数の和:11939

約数の個数: 64

約数和(自身を含む): 327836160

約数和(自身を除く): 198331520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11903, 23806, 47612, 59515, 95224, 119030, 190448, 202351, 238060, 380896, 404702, 476120, 761792, 809404, 952240, 1011755, 1523584, 1618808, 1904480, 2023510, 3237616, 3808960, 4047020, 6475232, 7617920, 8094040, 12950464, 16188080, 25900928, 32376160, 64752320, 129504640]

約数ペア:

[(1, 129504640), (2, 64752320), (4, 32376160), (5, 25900928), (8, 16188080), (10, 12950464), (16, 8094040), (17, 7617920), (20, 6475232), (32, 4047020), (34, 3808960), (40, 3237616), (64, 2023510), (68, 1904480), (80, 1618808), (85, 1523584), (128, 1011755), (136, 952240), (160, 809404), (170, 761792), (272, 476120), (320, 404702), (340, 380896), (544, 238060), (640, 202351), (680, 190448), (1088, 119030), (1360, 95224), (2176, 59515), (2720, 47612), (5440, 23806), (10880, 11903)]