128356380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{947}}^1$

素因数の和:1216

約数の個数: 96

約数和(自身を含む): 401345280

約数和(自身を除く): 272988900

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, 753, 947, 1004, 1255, 1506, 1894, 2259, 2510, 2841, 3012, 3765, 3788, 4518, 4735, 5020, 5682, 6777, 7530, 8523, 9036, 9470, 11295, 11364, 13554, 14205, 15060, 17046, 18940, 22590, 25569, 27108, 28410, 33885, 34092, 42615, 45180, 51138, 56820, 67770, 85230, 102276, 127845, 135540, 170460, 237697, 255690, 475394, 511380, 713091, 950788, 1188485, 1426182, 2139273, 2376970, 2852364, 3565455, 4278546, 4753940, 6417819, 7130910, 8557092, 10696365, 12835638, 14261820, 21392730, 25671276, 32089095, 42785460, 64178190, 128356380]

約数ペア:

[(1, 128356380), (2, 64178190), (3, 42785460), (4, 32089095), (5, 25671276), (6, 21392730), (9, 14261820), (10, 12835638), (12, 10696365), (15, 8557092), (18, 7130910), (20, 6417819), (27, 4753940), (30, 4278546), (36, 3565455), (45, 2852364), (54, 2376970), (60, 2139273), (90, 1426182), (108, 1188485), (135, 950788), (180, 713091), (251, 511380), (270, 475394), (502, 255690), (540, 237697), (753, 170460), (947, 135540), (1004, 127845), (1255, 102276), (1506, 85230), (1894, 67770), (2259, 56820), (2510, 51138), (2841, 45180), (3012, 42615), (3765, 34092), (3788, 33885), (4518, 28410), (4735, 27108), (5020, 25569), (5682, 22590), (6777, 18940), (7530, 17046), (8523, 15060), (9036, 14205), (9470, 13554), (11295, 11364)]