87170960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 208915200

約数和(自身を除く): 121744240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 103, 142, 149, 206, 284, 298, 355, 412, 515, 568, 596, 710, 745, 824, 1030, 1136, 1192, 1420, 1490, 1648, 2060, 2384, 2840, 2980, 4120, 5680, 5960, 7313, 8240, 10579, 11920, 14626, 15347, 21158, 29252, 30694, 36565, 42316, 52895, 58504, 61388, 73130, 76735, 84632, 105790, 117008, 122776, 146260, 153470, 169264, 211580, 245552, 292520, 306940, 423160, 585040, 613880, 846320, 1089637, 1227760, 2179274, 4358548, 5448185, 8717096, 10896370, 17434192, 21792740, 43585480, 87170960]

約数ペア:

[(1, 87170960), (2, 43585480), (4, 21792740), (5, 17434192), (8, 10896370), (10, 8717096), (16, 5448185), (20, 4358548), (40, 2179274), (71, 1227760), (80, 1089637), (103, 846320), (142, 613880), (149, 585040), (206, 423160), (284, 306940), (298, 292520), (355, 245552), (412, 211580), (515, 169264), (568, 153470), (596, 146260), (710, 122776), (745, 117008), (824, 105790), (1030, 84632), (1136, 76735), (1192, 73130), (1420, 61388), (1490, 58504), (1648, 52895), (2060, 42316), (2384, 36565), (2840, 30694), (2980, 29252), (4120, 21158), (5680, 15347), (5960, 14626), (7313, 11920), (8240, 10579)]