905789820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1161269}}^1$

素因数の和:1161294

約数の個数: 48

約数和(自身を含む): 2731307040

約数和(自身を除く): 1825517220

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, 1161269, 2322538, 3483807, 4645076, 5806345, 6967614, 11612690, 13935228, 15096497, 17419035, 23225380, 30192994, 34838070, 45289491, 60385988, 69676140, 75482485, 90578982, 150964970, 181157964, 226447455, 301929940, 452894910, 905789820]

約数ペア:

[(1, 905789820), (2, 452894910), (3, 301929940), (4, 226447455), (5, 181157964), (6, 150964970), (10, 90578982), (12, 75482485), (13, 69676140), (15, 60385988), (20, 45289491), (26, 34838070), (30, 30192994), (39, 23225380), (52, 17419035), (60, 15096497), (65, 13935228), (78, 11612690), (130, 6967614), (156, 5806345), (195, 4645076), (260, 3483807), (390, 2322538), (780, 1161269)]