128522720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47251}}^1$

素因数の和:47283

約数の個数: 48

約数和(自身を含む): 321502608

約数和(自身を除く): 192979888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 47251, 94502, 189004, 236255, 378008, 472510, 756016, 803267, 945020, 1512032, 1606534, 1890040, 3213068, 3780080, 4016335, 6426136, 7560160, 8032670, 12852272, 16065340, 25704544, 32130680, 64261360, 128522720]

約数ペア:

[(1, 128522720), (2, 64261360), (4, 32130680), (5, 25704544), (8, 16065340), (10, 12852272), (16, 8032670), (17, 7560160), (20, 6426136), (32, 4016335), (34, 3780080), (40, 3213068), (68, 1890040), (80, 1606534), (85, 1512032), (136, 945020), (160, 803267), (170, 756016), (272, 472510), (340, 378008), (544, 236255), (680, 189004), (1360, 94502), (2720, 47251)]