78168320

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 188853336

約数和(自身を除く): 110685016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 353, 640, 692, 706, 865, 1280, 1384, 1412, 1730, 1765, 2768, 2824, 3460, 3530, 5536, 5648, 6920, 7060, 11072, 11296, 13840, 14120, 22144, 22592, 27680, 28240, 44288, 45184, 55360, 56480, 61069, 90368, 110720, 112960, 122138, 221440, 225920, 244276, 305345, 451840, 488552, 610690, 977104, 1221380, 1954208, 2442760, 3908416, 4885520, 7816832, 9771040, 15633664, 19542080, 39084160, 78168320]

約数ペア:

[(1, 78168320), (2, 39084160), (4, 19542080), (5, 15633664), (8, 9771040), (10, 7816832), (16, 4885520), (20, 3908416), (32, 2442760), (40, 1954208), (64, 1221380), (80, 977104), (128, 610690), (160, 488552), (173, 451840), (256, 305345), (320, 244276), (346, 225920), (353, 221440), (640, 122138), (692, 112960), (706, 110720), (865, 90368), (1280, 61069), (1384, 56480), (1412, 55360), (1730, 45184), (1765, 44288), (2768, 28240), (2824, 27680), (3460, 22592), (3530, 22144), (5536, 14120), (5648, 13840), (6920, 11296), (7060, 11072)]