71311160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 167270400

約数和(自身を除く): 95959240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 439, 524, 620, 655, 878, 1048, 1240, 1310, 1756, 2195, 2620, 3512, 4061, 4390, 5240, 8122, 8780, 13609, 16244, 17560, 20305, 27218, 32488, 40610, 54436, 57509, 68045, 81220, 108872, 115018, 136090, 162440, 230036, 272180, 287545, 460072, 544360, 575090, 1150180, 1782779, 2300360, 3565558, 7131116, 8913895, 14262232, 17827790, 35655580, 71311160]

約数ペア:

[(1, 71311160), (2, 35655580), (4, 17827790), (5, 14262232), (8, 8913895), (10, 7131116), (20, 3565558), (31, 2300360), (40, 1782779), (62, 1150180), (124, 575090), (131, 544360), (155, 460072), (248, 287545), (262, 272180), (310, 230036), (439, 162440), (524, 136090), (620, 115018), (655, 108872), (878, 81220), (1048, 68045), (1240, 57509), (1310, 54436), (1756, 40610), (2195, 32488), (2620, 27218), (3512, 20305), (4061, 17560), (4390, 16244), (5240, 13609), (8122, 8780)]