80917380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 256132800

約数和(自身を除く): 175215420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 251, 270, 324, 398, 405, 502, 540, 597, 753, 796, 810, 995, 1004, 1194, 1255, 1506, 1620, 1791, 1990, 2259, 2388, 2510, 2985, 3012, 3582, 3765, 3980, 4518, 5020, 5373, 5970, 6777, 7164, 7530, 8955, 9036, 10746, 11295, 11940, 13554, 15060, 16119, 17910, 20331, 21492, 22590, 26865, 27108, 32238, 33885, 35820, 40662, 45180, 49949, 53730, 64476, 67770, 80595, 81324, 99898, 101655, 107460, 135540, 149847, 161190, 199796, 203310, 249745, 299694, 322380, 406620, 449541, 499490, 599388, 749235, 899082, 998980, 1348623, 1498470, 1798164, 2247705, 2697246, 2996940, 4045869, 4495410, 5394492, 6743115, 8091738, 8990820, 13486230, 16183476, 20229345, 26972460, 40458690, 80917380]

約数ペア:

[(1, 80917380), (2, 40458690), (3, 26972460), (4, 20229345), (5, 16183476), (6, 13486230), (9, 8990820), (10, 8091738), (12, 6743115), (15, 5394492), (18, 4495410), (20, 4045869), (27, 2996940), (30, 2697246), (36, 2247705), (45, 1798164), (54, 1498470), (60, 1348623), (81, 998980), (90, 899082), (108, 749235), (135, 599388), (162, 499490), (180, 449541), (199, 406620), (251, 322380), (270, 299694), (324, 249745), (398, 203310), (405, 199796), (502, 161190), (540, 149847), (597, 135540), (753, 107460), (796, 101655), (810, 99898), (995, 81324), (1004, 80595), (1194, 67770), (1255, 64476), (1506, 53730), (1620, 49949), (1791, 45180), (1990, 40662), (2259, 35820), (2388, 33885), (2510, 32238), (2985, 27108), (3012, 26865), (3582, 22590), (3765, 21492), (3980, 20331), (4518, 17910), (5020, 16119), (5373, 15060), (5970, 13554), (6777, 11940), (7164, 11295), (7530, 10746), (8955, 9036)]