123090680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^2\times {\mathrm{827}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 281909160

約数和(自身を除く): 158818480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 827, 1220, 1654, 2440, 3308, 3721, 4135, 6616, 7442, 8270, 14884, 16540, 18605, 29768, 33080, 37210, 50447, 74420, 100894, 148840, 201788, 252235, 403576, 504470, 1008940, 2017880, 3077267, 6154534, 12309068, 15386335, 24618136, 30772670, 61545340, 123090680]

約数ペア:

[(1, 123090680), (2, 61545340), (4, 30772670), (5, 24618136), (8, 15386335), (10, 12309068), (20, 6154534), (40, 3077267), (61, 2017880), (122, 1008940), (244, 504470), (305, 403576), (488, 252235), (610, 201788), (827, 148840), (1220, 100894), (1654, 74420), (2440, 50447), (3308, 37210), (3721, 33080), (4135, 29768), (6616, 18605), (7442, 16540), (8270, 14884)]