668345120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1234

約数の個数: 96

約数和(自身を含む): 1644281856

約数和(自身を除く): 975936736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 248, 254, 310, 496, 508, 620, 635, 992, 1016, 1061, 1240, 1270, 2032, 2122, 2480, 2540, 3937, 4064, 4244, 4960, 5080, 5305, 7874, 8488, 10160, 10610, 15748, 16976, 19685, 20320, 21220, 31496, 32891, 33952, 39370, 42440, 62992, 65782, 78740, 84880, 125984, 131564, 134747, 157480, 164455, 169760, 263128, 269494, 314960, 328910, 526256, 538988, 629920, 657820, 673735, 1052512, 1077976, 1315640, 1347470, 2155952, 2631280, 2694940, 4177157, 4311904, 5262560, 5389880, 8354314, 10779760, 16708628, 20885785, 21559520, 33417256, 41771570, 66834512, 83543140, 133669024, 167086280, 334172560, 668345120]

約数ペア:

[(1, 668345120), (2, 334172560), (4, 167086280), (5, 133669024), (8, 83543140), (10, 66834512), (16, 41771570), (20, 33417256), (31, 21559520), (32, 20885785), (40, 16708628), (62, 10779760), (80, 8354314), (124, 5389880), (127, 5262560), (155, 4311904), (160, 4177157), (248, 2694940), (254, 2631280), (310, 2155952), (496, 1347470), (508, 1315640), (620, 1077976), (635, 1052512), (992, 673735), (1016, 657820), (1061, 629920), (1240, 538988), (1270, 526256), (2032, 328910), (2122, 314960), (2480, 269494), (2540, 263128), (3937, 169760), (4064, 164455), (4244, 157480), (4960, 134747), (5080, 131564), (5305, 125984), (7874, 84880), (8488, 78740), (10160, 65782), (10610, 62992), (15748, 42440), (16976, 39370), (19685, 33952), (20320, 32891), (21220, 31496)]