68316040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1766

約数の個数: 64

約数和(自身を含む): 167731200

約数和(自身を除く): 99415160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 1663, 2054, 3160, 3326, 4108, 5135, 6652, 8216, 8315, 10270, 13304, 16630, 20540, 21619, 33260, 41080, 43238, 66520, 86476, 108095, 131377, 172952, 216190, 262754, 432380, 525508, 656885, 864760, 1051016, 1313770, 1707901, 2627540, 3415802, 5255080, 6831604, 8539505, 13663208, 17079010, 34158020, 68316040]

約数ペア:

[(1, 68316040), (2, 34158020), (4, 17079010), (5, 13663208), (8, 8539505), (10, 6831604), (13, 5255080), (20, 3415802), (26, 2627540), (40, 1707901), (52, 1313770), (65, 1051016), (79, 864760), (104, 656885), (130, 525508), (158, 432380), (260, 262754), (316, 216190), (395, 172952), (520, 131377), (632, 108095), (790, 86476), (1027, 66520), (1580, 43238), (1663, 41080), (2054, 33260), (3160, 21619), (3326, 20540), (4108, 16630), (5135, 13304), (6652, 10270), (8216, 8315)]