61728730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 68285990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 263, 479, 490, 526, 958, 1315, 1841, 2395, 2630, 3353, 3682, 4790, 6706, 9205, 12887, 16765, 18410, 23471, 25774, 33530, 46942, 64435, 117355, 125977, 128870, 234710, 251954, 629885, 881839, 1259770, 1763678, 4409195, 6172873, 8818390, 12345746, 30864365, 61728730]

約数ペア:

[(1, 61728730), (2, 30864365), (5, 12345746), (7, 8818390), (10, 6172873), (14, 4409195), (35, 1763678), (49, 1259770), (70, 881839), (98, 629885), (245, 251954), (263, 234710), (479, 128870), (490, 125977), (526, 117355), (958, 64435), (1315, 46942), (1841, 33530), (2395, 25774), (2630, 23471), (3353, 18410), (3682, 16765), (4790, 12887), (6706, 9205)]