79561980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 248935680

約数和(自身を除く): 169373700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 251, 270, 502, 540, 587, 753, 1004, 1174, 1255, 1506, 1761, 2259, 2348, 2510, 2935, 3012, 3522, 3765, 4518, 5020, 5283, 5870, 6777, 7044, 7530, 8805, 9036, 10566, 11295, 11740, 13554, 15060, 15849, 17610, 21132, 22590, 26415, 27108, 31698, 33885, 35220, 45180, 52830, 63396, 67770, 79245, 105660, 135540, 147337, 158490, 294674, 316980, 442011, 589348, 736685, 884022, 1326033, 1473370, 1768044, 2210055, 2652066, 2946740, 3978099, 4420110, 5304132, 6630165, 7956198, 8840220, 13260330, 15912396, 19890495, 26520660, 39780990, 79561980]

約数ペア:

[(1, 79561980), (2, 39780990), (3, 26520660), (4, 19890495), (5, 15912396), (6, 13260330), (9, 8840220), (10, 7956198), (12, 6630165), (15, 5304132), (18, 4420110), (20, 3978099), (27, 2946740), (30, 2652066), (36, 2210055), (45, 1768044), (54, 1473370), (60, 1326033), (90, 884022), (108, 736685), (135, 589348), (180, 442011), (251, 316980), (270, 294674), (502, 158490), (540, 147337), (587, 135540), (753, 105660), (1004, 79245), (1174, 67770), (1255, 63396), (1506, 52830), (1761, 45180), (2259, 35220), (2348, 33885), (2510, 31698), (2935, 27108), (3012, 26415), (3522, 22590), (3765, 21132), (4518, 17610), (5020, 15849), (5283, 15060), (5870, 13554), (6777, 11740), (7044, 11295), (7530, 10566), (8805, 9036)]