830180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 1956864

約数和(自身を除く): 1126684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 103, 124, 130, 155, 206, 260, 310, 403, 412, 515, 620, 806, 1030, 1339, 1612, 2015, 2060, 2678, 3193, 4030, 5356, 6386, 6695, 8060, 12772, 13390, 15965, 26780, 31930, 41509, 63860, 83018, 166036, 207545, 415090, 830180]

約数ペア:

[(1, 830180), (2, 415090), (4, 207545), (5, 166036), (10, 83018), (13, 63860), (20, 41509), (26, 31930), (31, 26780), (52, 15965), (62, 13390), (65, 12772), (103, 8060), (124, 6695), (130, 6386), (155, 5356), (206, 4030), (260, 3193), (310, 2678), (403, 2060), (412, 2015), (515, 1612), (620, 1339), (806, 1030)]