66473940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85223}}^1$

素因数の和:85248

約数の個数: 48

約数和(自身を含む): 200446848

約数和(自身を除く): 133972908

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, 85223, 170446, 255669, 340892, 426115, 511338, 852230, 1022676, 1107899, 1278345, 1704460, 2215798, 2556690, 3323697, 4431596, 5113380, 5539495, 6647394, 11078990, 13294788, 16618485, 22157980, 33236970, 66473940]

約数ペア:

[(1, 66473940), (2, 33236970), (3, 22157980), (4, 16618485), (5, 13294788), (6, 11078990), (10, 6647394), (12, 5539495), (13, 5113380), (15, 4431596), (20, 3323697), (26, 2556690), (30, 2215798), (39, 1704460), (52, 1278345), (60, 1107899), (65, 1022676), (78, 852230), (130, 511338), (156, 426115), (195, 340892), (260, 255669), (390, 170446), (780, 85223)]