82277720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9479}}^1$

素因数の和:9528

約数の個数: 64

約数和(自身を含む): 218419200

約数和(自身を除く): 136141480

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, 9479, 18958, 37916, 47395, 66353, 75832, 94790, 132706, 189580, 265412, 293849, 331765, 379160, 530824, 587698, 663530, 1175396, 1327060, 1469245, 2056943, 2350792, 2654120, 2938490, 4113886, 5876980, 8227772, 10284715, 11753960, 16455544, 20569430, 41138860, 82277720]

約数ペア:

[(1, 82277720), (2, 41138860), (4, 20569430), (5, 16455544), (7, 11753960), (8, 10284715), (10, 8227772), (14, 5876980), (20, 4113886), (28, 2938490), (31, 2654120), (35, 2350792), (40, 2056943), (56, 1469245), (62, 1327060), (70, 1175396), (124, 663530), (140, 587698), (155, 530824), (217, 379160), (248, 331765), (280, 293849), (310, 265412), (434, 189580), (620, 132706), (868, 94790), (1085, 75832), (1240, 66353), (1736, 47395), (2170, 37916), (4340, 18958), (8680, 9479)]