260374240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{33211}}^1$

素因数の和:33240

約数の個数: 72

約数和(自身を含む): 715585752

約数和(自身を除く): 455211512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 33211, 66422, 132844, 166055, 232477, 265688, 332110, 464954, 531376, 664220, 929908, 1062752, 1162385, 1328440, 1627339, 1859816, 2324770, 2656880, 3254678, 3719632, 4649540, 5313760, 6509356, 7439264, 8136695, 9299080, 13018712, 16273390, 18598160, 26037424, 32546780, 37196320, 52074848, 65093560, 130187120, 260374240]

約数ペア:

[(1, 260374240), (2, 130187120), (4, 65093560), (5, 52074848), (7, 37196320), (8, 32546780), (10, 26037424), (14, 18598160), (16, 16273390), (20, 13018712), (28, 9299080), (32, 8136695), (35, 7439264), (40, 6509356), (49, 5313760), (56, 4649540), (70, 3719632), (80, 3254678), (98, 2656880), (112, 2324770), (140, 1859816), (160, 1627339), (196, 1328440), (224, 1162385), (245, 1062752), (280, 929908), (392, 664220), (490, 531376), (560, 464954), (784, 332110), (980, 265688), (1120, 232477), (1568, 166055), (1960, 132844), (3920, 66422), (7840, 33211)]