77851520

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 188079840

約数和(自身を除く): 110228320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1181, 1648, 2060, 2362, 3296, 4120, 4724, 5905, 6592, 8240, 9448, 11810, 13184, 16480, 18896, 23620, 32960, 37792, 47240, 65920, 75584, 94480, 121643, 151168, 188960, 243286, 377920, 486572, 608215, 755840, 973144, 1216430, 1946288, 2432860, 3892576, 4865720, 7785152, 9731440, 15570304, 19462880, 38925760, 77851520]

約数ペア:

[(1, 77851520), (2, 38925760), (4, 19462880), (5, 15570304), (8, 9731440), (10, 7785152), (16, 4865720), (20, 3892576), (32, 2432860), (40, 1946288), (64, 1216430), (80, 973144), (103, 755840), (128, 608215), (160, 486572), (206, 377920), (320, 243286), (412, 188960), (515, 151168), (640, 121643), (824, 94480), (1030, 75584), (1181, 65920), (1648, 47240), (2060, 37792), (2362, 32960), (3296, 23620), (4120, 18896), (4724, 16480), (5905, 13184), (6592, 11810), (8240, 9448)]