80485740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19441}}^1$

素因数の和:19479

約数の個数: 72

約数和(自身を含む): 254767968

約数和(自身を除く): 174282228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19441, 38882, 58323, 77764, 97205, 116646, 174969, 194410, 233292, 291615, 349938, 388820, 447143, 583230, 699876, 874845, 894286, 1166460, 1341429, 1749690, 1788572, 2235715, 2682858, 3499380, 4024287, 4471430, 5365716, 6707145, 8048574, 8942860, 13414290, 16097148, 20121435, 26828580, 40242870, 80485740]

約数ペア:

[(1, 80485740), (2, 40242870), (3, 26828580), (4, 20121435), (5, 16097148), (6, 13414290), (9, 8942860), (10, 8048574), (12, 6707145), (15, 5365716), (18, 4471430), (20, 4024287), (23, 3499380), (30, 2682858), (36, 2235715), (45, 1788572), (46, 1749690), (60, 1341429), (69, 1166460), (90, 894286), (92, 874845), (115, 699876), (138, 583230), (180, 447143), (207, 388820), (230, 349938), (276, 291615), (345, 233292), (414, 194410), (460, 174969), (690, 116646), (828, 97205), (1035, 77764), (1380, 58323), (2070, 38882), (4140, 19441)]