64620660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82847}}^1$

素因数の和:82872

約数の個数: 48

約数和(自身を含む): 194858496

約数和(自身を除く): 130237836

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, 82847, 165694, 248541, 331388, 414235, 497082, 828470, 994164, 1077011, 1242705, 1656940, 2154022, 2485410, 3231033, 4308044, 4970820, 5385055, 6462066, 10770110, 12924132, 16155165, 21540220, 32310330, 64620660]

約数ペア:

[(1, 64620660), (2, 32310330), (3, 21540220), (4, 16155165), (5, 12924132), (6, 10770110), (10, 6462066), (12, 5385055), (13, 4970820), (15, 4308044), (20, 3231033), (26, 2485410), (30, 2154022), (39, 1656940), (52, 1242705), (60, 1077011), (65, 994164), (78, 828470), (130, 497082), (156, 414235), (195, 331388), (260, 248541), (390, 165694), (780, 82847)]