71331680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{63689}}^1$

素因数の和:63711

約数の個数: 48

約数和(自身を含む): 192598560

約数和(自身を除く): 121266880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 63689, 127378, 254756, 318445, 445823, 509512, 636890, 891646, 1019024, 1273780, 1783292, 2038048, 2229115, 2547560, 3566584, 4458230, 5095120, 7133168, 8916460, 10190240, 14266336, 17832920, 35665840, 71331680]

約数ペア:

[(1, 71331680), (2, 35665840), (4, 17832920), (5, 14266336), (7, 10190240), (8, 8916460), (10, 7133168), (14, 5095120), (16, 4458230), (20, 3566584), (28, 2547560), (32, 2229115), (35, 2038048), (40, 1783292), (56, 1273780), (70, 1019024), (80, 891646), (112, 636890), (140, 509512), (160, 445823), (224, 318445), (280, 254756), (560, 127378), (1120, 63689)]