164555440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9479}}^1$

素因数の和:9530

約数の個数: 80

約数和(自身を含む): 451399680

約数和(自身を除く): 286844240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 9479, 17360, 18958, 37916, 47395, 66353, 75832, 94790, 132706, 151664, 189580, 265412, 293849, 331765, 379160, 530824, 587698, 663530, 758320, 1061648, 1175396, 1327060, 1469245, 2056943, 2350792, 2654120, 2938490, 4113886, 4701584, 5308240, 5876980, 8227772, 10284715, 11753960, 16455544, 20569430, 23507920, 32911088, 41138860, 82277720, 164555440]

約数ペア:

[(1, 164555440), (2, 82277720), (4, 41138860), (5, 32911088), (7, 23507920), (8, 20569430), (10, 16455544), (14, 11753960), (16, 10284715), (20, 8227772), (28, 5876980), (31, 5308240), (35, 4701584), (40, 4113886), (56, 2938490), (62, 2654120), (70, 2350792), (80, 2056943), (112, 1469245), (124, 1327060), (140, 1175396), (155, 1061648), (217, 758320), (248, 663530), (280, 587698), (310, 530824), (434, 379160), (496, 331765), (560, 293849), (620, 265412), (868, 189580), (1085, 151664), (1240, 132706), (1736, 94790), (2170, 75832), (2480, 66353), (3472, 47395), (4340, 37916), (8680, 18958), (9479, 17360)]