74656640

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 179854560

約数和(自身を除く): 105197920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 743, 785, 1256, 1486, 1570, 2512, 2972, 3140, 3715, 5024, 5944, 6280, 7430, 10048, 11888, 12560, 14860, 20096, 23776, 25120, 29720, 47552, 50240, 59440, 95104, 100480, 116651, 118880, 233302, 237760, 466604, 475520, 583255, 933208, 1166510, 1866416, 2333020, 3732832, 4666040, 7465664, 9332080, 14931328, 18664160, 37328320, 74656640]

約数ペア:

[(1, 74656640), (2, 37328320), (4, 18664160), (5, 14931328), (8, 9332080), (10, 7465664), (16, 4666040), (20, 3732832), (32, 2333020), (40, 1866416), (64, 1166510), (80, 933208), (128, 583255), (157, 475520), (160, 466604), (314, 237760), (320, 233302), (628, 118880), (640, 116651), (743, 100480), (785, 95104), (1256, 59440), (1486, 50240), (1570, 47552), (2512, 29720), (2972, 25120), (3140, 23776), (3715, 20096), (5024, 14860), (5944, 12560), (6280, 11888), (7430, 10048)]