68345940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87623}}^1$

素因数の和:87648

約数の個数: 48

約数和(自身を含む): 206091648

約数和(自身を除く): 137745708

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, 87623, 175246, 262869, 350492, 438115, 525738, 876230, 1051476, 1139099, 1314345, 1752460, 2278198, 2628690, 3417297, 4556396, 5257380, 5695495, 6834594, 11390990, 13669188, 17086485, 22781980, 34172970, 68345940]

約数ペア:

[(1, 68345940), (2, 34172970), (3, 22781980), (4, 17086485), (5, 13669188), (6, 11390990), (10, 6834594), (12, 5695495), (13, 5257380), (15, 4556396), (20, 3417297), (26, 2628690), (30, 2278198), (39, 1752460), (52, 1314345), (60, 1139099), (65, 1051476), (78, 876230), (130, 525738), (156, 438115), (195, 350492), (260, 262869), (390, 175246), (780, 87623)]