85515440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 212209632

約数和(自身を除く): 126694192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 272, 277, 340, 454, 554, 680, 908, 1108, 1135, 1360, 1385, 1816, 2216, 2270, 2770, 3632, 3859, 4432, 4540, 4709, 5540, 7718, 9080, 9418, 11080, 15436, 18160, 18836, 19295, 22160, 23545, 30872, 37672, 38590, 47090, 61744, 62879, 75344, 77180, 94180, 125758, 154360, 188360, 251516, 308720, 314395, 376720, 503032, 628790, 1006064, 1068943, 1257580, 2137886, 2515160, 4275772, 5030320, 5344715, 8551544, 10689430, 17103088, 21378860, 42757720, 85515440]

約数ペア:

[(1, 85515440), (2, 42757720), (4, 21378860), (5, 17103088), (8, 10689430), (10, 8551544), (16, 5344715), (17, 5030320), (20, 4275772), (34, 2515160), (40, 2137886), (68, 1257580), (80, 1068943), (85, 1006064), (136, 628790), (170, 503032), (227, 376720), (272, 314395), (277, 308720), (340, 251516), (454, 188360), (554, 154360), (680, 125758), (908, 94180), (1108, 77180), (1135, 75344), (1360, 62879), (1385, 61744), (1816, 47090), (2216, 38590), (2270, 37672), (2770, 30872), (3632, 23545), (3859, 22160), (4432, 19295), (4540, 18836), (4709, 18160), (5540, 15436), (7718, 11080), (9080, 9418)]