155557120

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2293}}^1$

素因数の和:2367

約数の個数: 72

約数和(自身を含む): 379803816

約数和(自身を除く): 224246696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 2120, 2293, 3392, 4240, 4586, 6784, 8480, 9172, 11465, 13568, 16960, 18344, 22930, 33920, 36688, 45860, 67840, 73376, 91720, 121529, 146752, 183440, 243058, 293504, 366880, 486116, 587008, 607645, 733760, 972232, 1215290, 1467520, 1944464, 2430580, 2935040, 3888928, 4861160, 7777856, 9722320, 15555712, 19444640, 31111424, 38889280, 77778560, 155557120]

約数ペア:

[(1, 155557120), (2, 77778560), (4, 38889280), (5, 31111424), (8, 19444640), (10, 15555712), (16, 9722320), (20, 7777856), (32, 4861160), (40, 3888928), (53, 2935040), (64, 2430580), (80, 1944464), (106, 1467520), (128, 1215290), (160, 972232), (212, 733760), (256, 607645), (265, 587008), (320, 486116), (424, 366880), (530, 293504), (640, 243058), (848, 183440), (1060, 146752), (1280, 121529), (1696, 91720), (2120, 73376), (2293, 67840), (3392, 45860), (4240, 36688), (4586, 33920), (6784, 22930), (8480, 18344), (9172, 16960), (11465, 13568)]