317215280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 752791104

約数和(自身を除く): 435575824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 137, 206, 274, 281, 412, 515, 548, 562, 685, 824, 1030, 1096, 1124, 1370, 1405, 1648, 2060, 2192, 2248, 2740, 2810, 4120, 4496, 5480, 5620, 8240, 10960, 11240, 14111, 22480, 28222, 28943, 38497, 56444, 57886, 70555, 76994, 112888, 115772, 141110, 144715, 153988, 192485, 225776, 231544, 282220, 289430, 307976, 384970, 463088, 564440, 578860, 615952, 769940, 1128880, 1157720, 1539880, 2315440, 3079760, 3965191, 7930382, 15860764, 19825955, 31721528, 39651910, 63443056, 79303820, 158607640, 317215280]

約数ペア:

[(1, 317215280), (2, 158607640), (4, 79303820), (5, 63443056), (8, 39651910), (10, 31721528), (16, 19825955), (20, 15860764), (40, 7930382), (80, 3965191), (103, 3079760), (137, 2315440), (206, 1539880), (274, 1157720), (281, 1128880), (412, 769940), (515, 615952), (548, 578860), (562, 564440), (685, 463088), (824, 384970), (1030, 307976), (1096, 289430), (1124, 282220), (1370, 231544), (1405, 225776), (1648, 192485), (2060, 153988), (2192, 144715), (2248, 141110), (2740, 115772), (2810, 112888), (4120, 76994), (4496, 70555), (5480, 57886), (5620, 56444), (8240, 38497), (10960, 28943), (11240, 28222), (14111, 22480)]