77778560

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2365

約数の個数: 64

約数和(自身を含む): 189530280

約数和(自身を除く): 111751720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 2293, 3392, 4240, 4586, 6784, 8480, 9172, 11465, 16960, 18344, 22930, 33920, 36688, 45860, 73376, 91720, 121529, 146752, 183440, 243058, 293504, 366880, 486116, 607645, 733760, 972232, 1215290, 1467520, 1944464, 2430580, 3888928, 4861160, 7777856, 9722320, 15555712, 19444640, 38889280, 77778560]

約数ペア:

[(1, 77778560), (2, 38889280), (4, 19444640), (5, 15555712), (8, 9722320), (10, 7777856), (16, 4861160), (20, 3888928), (32, 2430580), (40, 1944464), (53, 1467520), (64, 1215290), (80, 972232), (106, 733760), (128, 607645), (160, 486116), (212, 366880), (265, 293504), (320, 243058), (424, 183440), (530, 146752), (640, 121529), (848, 91720), (1060, 73376), (1696, 45860), (2120, 36688), (2293, 33920), (3392, 22930), (4240, 18344), (4586, 16960), (6784, 11465), (8480, 9172)]