128420320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{114661}}^1$

素因数の和:114683

約数の個数: 48

約数和(自身を含む): 346737888

約数和(自身を除く): 218317568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 114661, 229322, 458644, 573305, 802627, 917288, 1146610, 1605254, 1834576, 2293220, 3210508, 3669152, 4013135, 4586440, 6421016, 8026270, 9172880, 12842032, 16052540, 18345760, 25684064, 32105080, 64210160, 128420320]

約数ペア:

[(1, 128420320), (2, 64210160), (4, 32105080), (5, 25684064), (7, 18345760), (8, 16052540), (10, 12842032), (14, 9172880), (16, 8026270), (20, 6421016), (28, 4586440), (32, 4013135), (35, 3669152), (40, 3210508), (56, 2293220), (70, 1834576), (80, 1605254), (112, 1146610), (140, 917288), (160, 802627), (224, 573305), (280, 458644), (560, 229322), (1120, 114661)]