64757560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231277}}^1$

素因数の和:231295

約数の個数: 32

約数和(自身を含む): 166520160

約数和(自身を除く): 101762600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231277, 462554, 925108, 1156385, 1618939, 1850216, 2312770, 3237878, 4625540, 6475756, 8094695, 9251080, 12951512, 16189390, 32378780, 64757560]

約数ペア:

[(1, 64757560), (2, 32378780), (4, 16189390), (5, 12951512), (7, 9251080), (8, 8094695), (10, 6475756), (14, 4625540), (20, 3237878), (28, 2312770), (35, 1850216), (40, 1618939), (56, 1156385), (70, 925108), (140, 462554), (280, 231277)]