66918540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85793}}^1$

素因数の和:85818

約数の個数: 48

約数和(自身を含む): 201787488

約数和(自身を除く): 134868948

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, 85793, 171586, 257379, 343172, 428965, 514758, 857930, 1029516, 1115309, 1286895, 1715860, 2230618, 2573790, 3345927, 4461236, 5147580, 5576545, 6691854, 11153090, 13383708, 16729635, 22306180, 33459270, 66918540]

約数ペア:

[(1, 66918540), (2, 33459270), (3, 22306180), (4, 16729635), (5, 13383708), (6, 11153090), (10, 6691854), (12, 5576545), (13, 5147580), (15, 4461236), (20, 3345927), (26, 2573790), (30, 2230618), (39, 1715860), (52, 1286895), (60, 1115309), (65, 1029516), (78, 857930), (130, 514758), (156, 428965), (195, 343172), (260, 257379), (390, 171586), (780, 85793)]