90156080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 247238640

約数和(自身を除く): 157082560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 109, 112, 140, 196, 211, 218, 245, 280, 392, 422, 436, 490, 545, 560, 763, 784, 844, 872, 980, 1055, 1090, 1477, 1526, 1688, 1744, 1960, 2110, 2180, 2954, 3052, 3376, 3815, 3920, 4220, 4360, 5341, 5908, 6104, 7385, 7630, 8440, 8720, 10339, 10682, 11816, 12208, 14770, 15260, 16880, 20678, 21364, 22999, 23632, 26705, 29540, 30520, 41356, 42728, 45998, 51695, 53410, 59080, 61040, 82712, 85456, 91996, 103390, 106820, 114995, 118160, 160993, 165424, 183992, 206780, 213640, 229990, 321986, 367984, 413560, 427280, 459980, 643972, 804965, 827120, 919960, 1126951, 1287944, 1609930, 1839920, 2253902, 2575888, 3219860, 4507804, 5634755, 6439720, 9015608, 11269510, 12879440, 18031216, 22539020, 45078040, 90156080]

約数ペア:

[(1, 90156080), (2, 45078040), (4, 22539020), (5, 18031216), (7, 12879440), (8, 11269510), (10, 9015608), (14, 6439720), (16, 5634755), (20, 4507804), (28, 3219860), (35, 2575888), (40, 2253902), (49, 1839920), (56, 1609930), (70, 1287944), (80, 1126951), (98, 919960), (109, 827120), (112, 804965), (140, 643972), (196, 459980), (211, 427280), (218, 413560), (245, 367984), (280, 321986), (392, 229990), (422, 213640), (436, 206780), (490, 183992), (545, 165424), (560, 160993), (763, 118160), (784, 114995), (844, 106820), (872, 103390), (980, 91996), (1055, 85456), (1090, 82712), (1477, 61040), (1526, 59080), (1688, 53410), (1744, 51695), (1960, 45998), (2110, 42728), (2180, 41356), (2954, 30520), (3052, 29540), (3376, 26705), (3815, 23632), (3920, 22999), (4220, 21364), (4360, 20678), (5341, 16880), (5908, 15260), (6104, 14770), (7385, 12208), (7630, 11816), (8440, 10682), (8720, 10339)]