42785460

素因数分解:

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

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 130437216

約数和(自身を除く): 87651756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 947, 1004, 1255, 1506, 1894, 2259, 2510, 2841, 3012, 3765, 3788, 4518, 4735, 5020, 5682, 7530, 8523, 9036, 9470, 11295, 11364, 14205, 15060, 17046, 18940, 22590, 28410, 34092, 42615, 45180, 56820, 85230, 170460, 237697, 475394, 713091, 950788, 1188485, 1426182, 2139273, 2376970, 2852364, 3565455, 4278546, 4753940, 7130910, 8557092, 10696365, 14261820, 21392730, 42785460]

約数ペア:

[(1, 42785460), (2, 21392730), (3, 14261820), (4, 10696365), (5, 8557092), (6, 7130910), (9, 4753940), (10, 4278546), (12, 3565455), (15, 2852364), (18, 2376970), (20, 2139273), (30, 1426182), (36, 1188485), (45, 950788), (60, 713091), (90, 475394), (180, 237697), (251, 170460), (502, 85230), (753, 56820), (947, 45180), (1004, 42615), (1255, 34092), (1506, 28410), (1894, 22590), (2259, 18940), (2510, 17046), (2841, 15060), (3012, 14205), (3765, 11364), (3788, 11295), (4518, 9470), (4735, 9036), (5020, 8523), (5682, 7530)]