128985552

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 120

約数和(自身を含む): 380032224

約数和(自身を除く): 251046672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 43, 48, 72, 74, 86, 111, 129, 144, 148, 172, 222, 258, 296, 333, 344, 387, 444, 516, 563, 592, 666, 688, 774, 888, 1032, 1126, 1332, 1548, 1591, 1689, 1776, 2064, 2252, 2664, 3096, 3182, 3378, 4504, 4773, 5067, 5328, 6192, 6364, 6756, 9008, 9546, 10134, 12728, 13512, 14319, 19092, 20268, 20831, 24209, 25456, 27024, 28638, 38184, 40536, 41662, 48418, 57276, 62493, 72627, 76368, 81072, 83324, 96836, 114552, 124986, 145254, 166648, 187479, 193672, 217881, 229104, 249972, 290508, 333296, 374958, 387344, 435762, 499944, 581016, 749916, 871524, 895733, 999888, 1162032, 1499832, 1743048, 1791466, 2687199, 2999664, 3486096, 3582932, 5374398, 7165864, 8061597, 10748796, 14331728, 16123194, 21497592, 32246388, 42995184, 64492776, 128985552]

約数ペア:

[(1, 128985552), (2, 64492776), (3, 42995184), (4, 32246388), (6, 21497592), (8, 16123194), (9, 14331728), (12, 10748796), (16, 8061597), (18, 7165864), (24, 5374398), (36, 3582932), (37, 3486096), (43, 2999664), (48, 2687199), (72, 1791466), (74, 1743048), (86, 1499832), (111, 1162032), (129, 999888), (144, 895733), (148, 871524), (172, 749916), (222, 581016), (258, 499944), (296, 435762), (333, 387344), (344, 374958), (387, 333296), (444, 290508), (516, 249972), (563, 229104), (592, 217881), (666, 193672), (688, 187479), (774, 166648), (888, 145254), (1032, 124986), (1126, 114552), (1332, 96836), (1548, 83324), (1591, 81072), (1689, 76368), (1776, 72627), (2064, 62493), (2252, 57276), (2664, 48418), (3096, 41662), (3182, 40536), (3378, 38184), (4504, 28638), (4773, 27024), (5067, 25456), (5328, 24209), (6192, 20831), (6364, 20268), (6756, 19092), (9008, 14319), (9546, 13512), (10134, 12728)]