1520227940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{141023}}^1$

素因数の和:141057

約数の個数: 72

約数和(自身を含む): 4051337472

約数和(自身を除く): 2531109532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 141023, 282046, 564092, 705115, 987161, 1410230, 1551253, 1974322, 2820460, 3102506, 3948644, 4935805, 6205012, 6910127, 7756265, 9871610, 10858771, 13820254, 15512530, 19743220, 21717542, 27640508, 31025060, 34550635, 43435084, 54293855, 69101270, 76011397, 108587710, 138202540, 152022794, 217175420, 304045588, 380056985, 760113970, 1520227940]

約数ペア:

[(1, 1520227940), (2, 760113970), (4, 380056985), (5, 304045588), (7, 217175420), (10, 152022794), (11, 138202540), (14, 108587710), (20, 76011397), (22, 69101270), (28, 54293855), (35, 43435084), (44, 34550635), (49, 31025060), (55, 27640508), (70, 21717542), (77, 19743220), (98, 15512530), (110, 13820254), (140, 10858771), (154, 9871610), (196, 7756265), (220, 6910127), (245, 6205012), (308, 4935805), (385, 3948644), (490, 3102506), (539, 2820460), (770, 1974322), (980, 1551253), (1078, 1410230), (1540, 987161), (2156, 705115), (2695, 564092), (5390, 282046), (10780, 141023)]