15681460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 35884800

約数和(自身を除く): 20203340

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1423, 2204, 2755, 2846, 5510, 5692, 7115, 11020, 14230, 27037, 28460, 41267, 54074, 82534, 108148, 135185, 165068, 206335, 270370, 412670, 540740, 784073, 825340, 1568146, 3136292, 3920365, 7840730, 15681460]

約数ペア:

[(1, 15681460), (2, 7840730), (4, 3920365), (5, 3136292), (10, 1568146), (19, 825340), (20, 784073), (29, 540740), (38, 412670), (58, 270370), (76, 206335), (95, 165068), (116, 135185), (145, 108148), (190, 82534), (290, 54074), (380, 41267), (551, 28460), (580, 27037), (1102, 14230), (1423, 11020), (2204, 7115), (2755, 5692), (2846, 5510)]