287731680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1811}}^1$

素因数の和:2160

約数の個数: 96

約数和(自身を含む): 909595008

約数和(自身を除く): 621863328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 331, 480, 662, 993, 1324, 1655, 1811, 1986, 2648, 3310, 3622, 3972, 4965, 5296, 5433, 6620, 7244, 7944, 9055, 9930, 10592, 10866, 13240, 14488, 15888, 18110, 19860, 21732, 26480, 27165, 28976, 31776, 36220, 39720, 43464, 52960, 54330, 57952, 72440, 79440, 86928, 108660, 144880, 158880, 173856, 217320, 289760, 434640, 599441, 869280, 1198882, 1798323, 2397764, 2997205, 3596646, 4795528, 5994410, 7193292, 8991615, 9591056, 11988820, 14386584, 17983230, 19182112, 23977640, 28773168, 35966460, 47955280, 57546336, 71932920, 95910560, 143865840, 287731680]

約数ペア:

[(1, 287731680), (2, 143865840), (3, 95910560), (4, 71932920), (5, 57546336), (6, 47955280), (8, 35966460), (10, 28773168), (12, 23977640), (15, 19182112), (16, 17983230), (20, 14386584), (24, 11988820), (30, 9591056), (32, 8991615), (40, 7193292), (48, 5994410), (60, 4795528), (80, 3596646), (96, 2997205), (120, 2397764), (160, 1798323), (240, 1198882), (331, 869280), (480, 599441), (662, 434640), (993, 289760), (1324, 217320), (1655, 173856), (1811, 158880), (1986, 144880), (2648, 108660), (3310, 86928), (3622, 79440), (3972, 72440), (4965, 57952), (5296, 54330), (5433, 52960), (6620, 43464), (7244, 39720), (7944, 36220), (9055, 31776), (9930, 28976), (10592, 27165), (10866, 26480), (13240, 21732), (14488, 19860), (15888, 18110)]