1279492880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{271079}}^1$

素因数の和:271151

約数の個数: 40

約数和(自身を含む): 3025252800

約数和(自身を除く): 1745759920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 271079, 542158, 1084316, 1355395, 2168632, 2710790, 4337264, 5421580, 10843160, 15993661, 21686320, 31987322, 63974644, 79968305, 127949288, 159936610, 255898576, 319873220, 639746440, 1279492880]

約数ペア:

[(1, 1279492880), (2, 639746440), (4, 319873220), (5, 255898576), (8, 159936610), (10, 127949288), (16, 79968305), (20, 63974644), (40, 31987322), (59, 21686320), (80, 15993661), (118, 10843160), (236, 5421580), (295, 4337264), (472, 2710790), (590, 2168632), (944, 1355395), (1180, 1084316), (2360, 542158), (4720, 271079)]