131875240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15193}}^1$

素因数の和:15242

約数の個数: 64

約数和(自身を含む): 350069760

約数和(自身を除く): 218194520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 15193, 30386, 60772, 75965, 106351, 121544, 151930, 212702, 303860, 425404, 470983, 531755, 607720, 850808, 941966, 1063510, 1883932, 2127020, 2354915, 3296881, 3767864, 4254040, 4709830, 6593762, 9419660, 13187524, 16484405, 18839320, 26375048, 32968810, 65937620, 131875240]

約数ペア:

[(1, 131875240), (2, 65937620), (4, 32968810), (5, 26375048), (7, 18839320), (8, 16484405), (10, 13187524), (14, 9419660), (20, 6593762), (28, 4709830), (31, 4254040), (35, 3767864), (40, 3296881), (56, 2354915), (62, 2127020), (70, 1883932), (124, 1063510), (140, 941966), (155, 850808), (217, 607720), (248, 531755), (280, 470983), (310, 425404), (434, 303860), (620, 212702), (868, 151930), (1085, 121544), (1240, 106351), (1736, 75965), (2170, 60772), (4340, 30386), (8680, 15193)]