155703040

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 376897248

約数和(自身を除く): 221194208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 515, 640, 824, 1030, 1181, 1280, 1648, 2060, 2362, 3296, 4120, 4724, 5905, 6592, 8240, 9448, 11810, 13184, 16480, 18896, 23620, 26368, 32960, 37792, 47240, 65920, 75584, 94480, 121643, 131840, 151168, 188960, 243286, 302336, 377920, 486572, 608215, 755840, 973144, 1216430, 1511680, 1946288, 2432860, 3892576, 4865720, 7785152, 9731440, 15570304, 19462880, 31140608, 38925760, 77851520, 155703040]

約数ペア:

[(1, 155703040), (2, 77851520), (4, 38925760), (5, 31140608), (8, 19462880), (10, 15570304), (16, 9731440), (20, 7785152), (32, 4865720), (40, 3892576), (64, 2432860), (80, 1946288), (103, 1511680), (128, 1216430), (160, 973144), (206, 755840), (256, 608215), (320, 486572), (412, 377920), (515, 302336), (640, 243286), (824, 188960), (1030, 151168), (1181, 131840), (1280, 121643), (1648, 94480), (2060, 75584), (2362, 65920), (3296, 47240), (4120, 37792), (4724, 32960), (5905, 26368), (6592, 23620), (8240, 18896), (9448, 16480), (11810, 13184)]