78290240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{4993}}^1$

素因数の和:5024

約数の個数: 84

約数和(自身を含む): 216909396

約数和(自身を除く): 138619156

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4993, 7840, 9986, 15680, 19972, 24965, 34951, 39944, 49930, 69902, 79888, 99860, 139804, 159776, 174755, 199720, 244657, 279608, 319552, 349510, 399440, 489314, 559216, 699020, 798880, 978628, 1118432, 1223285, 1398040, 1597760, 1957256, 2236864, 2446570, 2796080, 3914512, 4893140, 5592160, 7829024, 9786280, 11184320, 15658048, 19572560, 39145120, 78290240]

約数ペア:

[(1, 78290240), (2, 39145120), (4, 19572560), (5, 15658048), (7, 11184320), (8, 9786280), (10, 7829024), (14, 5592160), (16, 4893140), (20, 3914512), (28, 2796080), (32, 2446570), (35, 2236864), (40, 1957256), (49, 1597760), (56, 1398040), (64, 1223285), (70, 1118432), (80, 978628), (98, 798880), (112, 699020), (140, 559216), (160, 489314), (196, 399440), (224, 349510), (245, 319552), (280, 279608), (320, 244657), (392, 199720), (448, 174755), (490, 159776), (560, 139804), (784, 99860), (980, 79888), (1120, 69902), (1568, 49930), (1960, 39944), (2240, 34951), (3136, 24965), (3920, 19972), (4993, 15680), (7840, 9986)]