28523640

素因数分解:

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

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 86002560

約数和(自身を除く): 57478920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 251, 502, 753, 947, 1004, 1255, 1506, 1894, 2008, 2510, 2841, 3012, 3765, 3788, 4735, 5020, 5682, 6024, 7530, 7576, 9470, 10040, 11364, 14205, 15060, 18940, 22728, 28410, 30120, 37880, 56820, 113640, 237697, 475394, 713091, 950788, 1188485, 1426182, 1901576, 2376970, 2852364, 3565455, 4753940, 5704728, 7130910, 9507880, 14261820, 28523640]

約数ペア:

[(1, 28523640), (2, 14261820), (3, 9507880), (4, 7130910), (5, 5704728), (6, 4753940), (8, 3565455), (10, 2852364), (12, 2376970), (15, 1901576), (20, 1426182), (24, 1188485), (30, 950788), (40, 713091), (60, 475394), (120, 237697), (251, 113640), (502, 56820), (753, 37880), (947, 30120), (1004, 28410), (1255, 22728), (1506, 18940), (1894, 15060), (2008, 14205), (2510, 11364), (2841, 10040), (3012, 9470), (3765, 7576), (3788, 7530), (4735, 6024), (5020, 5682)]