128718312

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 340032000

約数和(自身を除く): 211313688

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 439, 456, 643, 878, 1286, 1317, 1756, 1929, 2572, 2634, 3512, 3858, 5144, 5268, 7716, 8341, 10536, 12217, 15432, 16682, 24434, 25023, 33364, 36651, 48868, 50046, 66728, 73302, 97736, 100092, 146604, 200184, 282277, 293208, 564554, 846831, 1129108, 1693662, 2258216, 3387324, 5363263, 6774648, 10726526, 16089789, 21453052, 32179578, 42906104, 64359156, 128718312]

約数ペア:

[(1, 128718312), (2, 64359156), (3, 42906104), (4, 32179578), (6, 21453052), (8, 16089789), (12, 10726526), (19, 6774648), (24, 5363263), (38, 3387324), (57, 2258216), (76, 1693662), (114, 1129108), (152, 846831), (228, 564554), (439, 293208), (456, 282277), (643, 200184), (878, 146604), (1286, 100092), (1317, 97736), (1756, 73302), (1929, 66728), (2572, 50046), (2634, 48868), (3512, 36651), (3858, 33364), (5144, 25023), (5268, 24434), (7716, 16682), (8341, 15432), (10536, 12217)]