131937280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 88

約数和(自身を含む): 321739272

約数和(自身を除く): 189801992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 353, 365, 512, 584, 640, 706, 730, 1024, 1168, 1280, 1412, 1460, 1765, 2336, 2560, 2824, 2920, 3530, 4672, 5120, 5648, 5840, 7060, 9344, 11296, 11680, 14120, 18688, 22592, 23360, 25769, 28240, 37376, 45184, 46720, 51538, 56480, 74752, 90368, 93440, 103076, 112960, 128845, 180736, 186880, 206152, 225920, 257690, 361472, 373760, 412304, 451840, 515380, 824608, 903680, 1030760, 1649216, 1807360, 2061520, 3298432, 4123040, 6596864, 8246080, 13193728, 16492160, 26387456, 32984320, 65968640, 131937280]

約数ペア:

[(1, 131937280), (2, 65968640), (4, 32984320), (5, 26387456), (8, 16492160), (10, 13193728), (16, 8246080), (20, 6596864), (32, 4123040), (40, 3298432), (64, 2061520), (73, 1807360), (80, 1649216), (128, 1030760), (146, 903680), (160, 824608), (256, 515380), (292, 451840), (320, 412304), (353, 373760), (365, 361472), (512, 257690), (584, 225920), (640, 206152), (706, 186880), (730, 180736), (1024, 128845), (1168, 112960), (1280, 103076), (1412, 93440), (1460, 90368), (1765, 74752), (2336, 56480), (2560, 51538), (2824, 46720), (2920, 45184), (3530, 37376), (4672, 28240), (5120, 25769), (5648, 23360), (5840, 22592), (7060, 18688), (9344, 14120), (11296, 11680)]