128568180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164831}}^1$

素因数の和:164856

約数の個数: 48

約数和(自身を含む): 387684864

約数和(自身を除く): 259116684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 164831, 329662, 494493, 659324, 824155, 988986, 1648310, 1977972, 2142803, 2472465, 3296620, 4285606, 4944930, 6428409, 8571212, 9889860, 10714015, 12856818, 21428030, 25713636, 32142045, 42856060, 64284090, 128568180]

約数ペア:

[(1, 128568180), (2, 64284090), (3, 42856060), (4, 32142045), (5, 25713636), (6, 21428030), (10, 12856818), (12, 10714015), (13, 9889860), (15, 8571212), (20, 6428409), (26, 4944930), (30, 4285606), (39, 3296620), (52, 2472465), (60, 2142803), (65, 1977972), (78, 1648310), (130, 988986), (156, 824155), (195, 659324), (260, 494493), (390, 329662), (780, 164831)]