128809080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 439227360

約数和(自身を除く): 310418280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 53, 60, 72, 86, 90, 106, 120, 129, 157, 159, 172, 180, 212, 215, 258, 265, 314, 318, 344, 360, 387, 424, 430, 471, 477, 516, 530, 628, 636, 645, 774, 785, 795, 860, 942, 954, 1032, 1060, 1256, 1272, 1290, 1413, 1548, 1570, 1590, 1720, 1884, 1908, 1935, 2120, 2279, 2355, 2385, 2580, 2826, 3096, 3140, 3180, 3768, 3816, 3870, 4558, 4710, 4770, 5160, 5652, 6280, 6360, 6751, 6837, 7065, 7740, 8321, 9116, 9420, 9540, 11304, 11395, 13502, 13674, 14130, 15480, 16642, 18232, 18840, 19080, 20253, 20511, 22790, 24963, 27004, 27348, 28260, 33284, 33755, 34185, 40506, 41022, 41605, 45580, 49926, 54008, 54696, 56520, 60759, 66568, 67510, 68370, 74889, 81012, 82044, 83210, 91160, 99852, 101265, 102555, 121518, 124815, 135020, 136740, 149778, 162024, 164088, 166420, 199704, 202530, 205110, 243036, 249630, 270040, 273480, 299556, 303795, 332840, 357803, 374445, 405060, 410220, 486072, 499260, 599112, 607590, 715606, 748890, 810120, 820440, 998520, 1073409, 1215180, 1431212, 1497780, 1789015, 2146818, 2430360, 2862424, 2995560, 3220227, 3578030, 4293636, 5367045, 6440454, 7156060, 8587272, 10734090, 12880908, 14312120, 16101135, 21468180, 25761816, 32202270, 42936360, 64404540, 128809080]

約数ペア:

[(1, 128809080), (2, 64404540), (3, 42936360), (4, 32202270), (5, 25761816), (6, 21468180), (8, 16101135), (9, 14312120), (10, 12880908), (12, 10734090), (15, 8587272), (18, 7156060), (20, 6440454), (24, 5367045), (30, 4293636), (36, 3578030), (40, 3220227), (43, 2995560), (45, 2862424), (53, 2430360), (60, 2146818), (72, 1789015), (86, 1497780), (90, 1431212), (106, 1215180), (120, 1073409), (129, 998520), (157, 820440), (159, 810120), (172, 748890), (180, 715606), (212, 607590), (215, 599112), (258, 499260), (265, 486072), (314, 410220), (318, 405060), (344, 374445), (360, 357803), (387, 332840), (424, 303795), (430, 299556), (471, 273480), (477, 270040), (516, 249630), (530, 243036), (628, 205110), (636, 202530), (645, 199704), (774, 166420), (785, 164088), (795, 162024), (860, 149778), (942, 136740), (954, 135020), (1032, 124815), (1060, 121518), (1256, 102555), (1272, 101265), (1290, 99852), (1413, 91160), (1548, 83210), (1570, 82044), (1590, 81012), (1720, 74889), (1884, 68370), (1908, 67510), (1935, 66568), (2120, 60759), (2279, 56520), (2355, 54696), (2385, 54008), (2580, 49926), (2826, 45580), (3096, 41605), (3140, 41022), (3180, 40506), (3768, 34185), (3816, 33755), (3870, 33284), (4558, 28260), (4710, 27348), (4770, 27004), (5160, 24963), (5652, 22790), (6280, 20511), (6360, 20253), (6751, 19080), (6837, 18840), (7065, 18232), (7740, 16642), (8321, 15480), (9116, 14130), (9420, 13674), (9540, 13502), (11304, 11395)]