1570797560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 3571495200

約数和(自身を除く): 2000697640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 389, 628, 643, 778, 785, 1256, 1286, 1556, 1570, 1945, 2572, 3112, 3140, 3215, 3890, 5144, 6280, 6430, 7780, 12860, 15560, 25720, 61073, 100951, 122146, 201902, 244292, 250127, 305365, 403804, 488584, 500254, 504755, 610730, 807608, 1000508, 1009510, 1221460, 1250635, 2001016, 2019020, 2442920, 2501270, 4038040, 5002540, 10005080, 39269939, 78539878, 157079756, 196349695, 314159512, 392699390, 785398780, 1570797560]

約数ペア:

[(1, 1570797560), (2, 785398780), (4, 392699390), (5, 314159512), (8, 196349695), (10, 157079756), (20, 78539878), (40, 39269939), (157, 10005080), (314, 5002540), (389, 4038040), (628, 2501270), (643, 2442920), (778, 2019020), (785, 2001016), (1256, 1250635), (1286, 1221460), (1556, 1009510), (1570, 1000508), (1945, 807608), (2572, 610730), (3112, 504755), (3140, 500254), (3215, 488584), (3890, 403804), (5144, 305365), (6280, 250127), (6430, 244292), (7780, 201902), (12860, 122146), (15560, 100951), (25720, 61073)]