1605398720

素因数分解:

$2^6\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{2267}}^1$

素因数の和:4497

約数の個数: 56

約数和(自身を含む): 3826270224

約数和(自身を除く): 2220871504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2213, 2267, 4426, 4534, 8852, 9068, 11065, 11335, 17704, 18136, 22130, 22670, 35408, 36272, 44260, 45340, 70816, 72544, 88520, 90680, 141632, 145088, 177040, 181360, 354080, 362720, 708160, 725440, 5016871, 10033742, 20067484, 25084355, 40134968, 50168710, 80269936, 100337420, 160539872, 200674840, 321079744, 401349680, 802699360, 1605398720]

約数ペア:

[(1, 1605398720), (2, 802699360), (4, 401349680), (5, 321079744), (8, 200674840), (10, 160539872), (16, 100337420), (20, 80269936), (32, 50168710), (40, 40134968), (64, 25084355), (80, 20067484), (160, 10033742), (320, 5016871), (2213, 725440), (2267, 708160), (4426, 362720), (4534, 354080), (8852, 181360), (9068, 177040), (11065, 145088), (11335, 141632), (17704, 90680), (18136, 88520), (22130, 72544), (22670, 70816), (35408, 45340), (36272, 44260)]