51555660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:603

約数の個数: 96

約数和(自身を含む): 156821952

約数和(自身を除く): 105266292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 421, 471, 628, 780, 785, 842, 942, 1263, 1570, 1684, 1884, 2041, 2105, 2355, 2526, 3140, 4082, 4210, 4710, 5052, 5473, 6123, 6315, 8164, 8420, 9420, 10205, 10946, 12246, 12630, 16419, 20410, 21892, 24492, 25260, 27365, 30615, 32838, 40820, 54730, 61230, 65676, 66097, 82095, 109460, 122460, 132194, 164190, 198291, 264388, 328380, 330485, 396582, 660970, 793164, 859261, 991455, 1321940, 1718522, 1982910, 2577783, 3437044, 3965820, 4296305, 5155566, 8592610, 10311132, 12888915, 17185220, 25777830, 51555660]

約数ペア:

[(1, 51555660), (2, 25777830), (3, 17185220), (4, 12888915), (5, 10311132), (6, 8592610), (10, 5155566), (12, 4296305), (13, 3965820), (15, 3437044), (20, 2577783), (26, 1982910), (30, 1718522), (39, 1321940), (52, 991455), (60, 859261), (65, 793164), (78, 660970), (130, 396582), (156, 330485), (157, 328380), (195, 264388), (260, 198291), (314, 164190), (390, 132194), (421, 122460), (471, 109460), (628, 82095), (780, 66097), (785, 65676), (842, 61230), (942, 54730), (1263, 40820), (1570, 32838), (1684, 30615), (1884, 27365), (2041, 25260), (2105, 24492), (2355, 21892), (2526, 20410), (3140, 16419), (4082, 12630), (4210, 12246), (4710, 10946), (5052, 10205), (5473, 9420), (6123, 8420), (6315, 8164)]