15217580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1489}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 37047360

約数和(自身を除く): 21829780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1489, 2044, 2555, 2978, 5110, 5956, 7445, 10220, 10423, 14890, 20846, 29780, 41692, 52115, 104230, 108697, 208460, 217394, 434788, 543485, 760879, 1086970, 1521758, 2173940, 3043516, 3804395, 7608790, 15217580]

約数ペア:

[(1, 15217580), (2, 7608790), (4, 3804395), (5, 3043516), (7, 2173940), (10, 1521758), (14, 1086970), (20, 760879), (28, 543485), (35, 434788), (70, 217394), (73, 208460), (140, 108697), (146, 104230), (292, 52115), (365, 41692), (511, 29780), (730, 20846), (1022, 14890), (1460, 10423), (1489, 10220), (2044, 7445), (2555, 5956), (2978, 5110)]