128399472

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:360

約数の個数: 160

約数和(自身を含む): 392980800

約数和(自身を除く): 264581328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 37, 48, 54, 58, 72, 74, 87, 108, 111, 116, 144, 148, 174, 216, 222, 232, 261, 277, 296, 333, 348, 432, 444, 464, 522, 554, 592, 666, 696, 783, 831, 888, 999, 1044, 1073, 1108, 1332, 1392, 1566, 1662, 1776, 1998, 2088, 2146, 2216, 2493, 2664, 3132, 3219, 3324, 3996, 4176, 4292, 4432, 4986, 5328, 6264, 6438, 6648, 7479, 7992, 8033, 8584, 9657, 9972, 10249, 12528, 12876, 13296, 14958, 15984, 16066, 17168, 19314, 19944, 20498, 24099, 25752, 28971, 29916, 30747, 32132, 38628, 39888, 40996, 48198, 51504, 57942, 59832, 61494, 64264, 72297, 77256, 81992, 92241, 96396, 115884, 119664, 122988, 128528, 144594, 154512, 163984, 184482, 192792, 216891, 231768, 245976, 276723, 289188, 297221, 368964, 385584, 433782, 463536, 491952, 553446, 578376, 594442, 737928, 867564, 891663, 1106892, 1156752, 1188884, 1475856, 1735128, 1783326, 2213784, 2377768, 2674989, 3470256, 3566652, 4427568, 4755536, 5349978, 7133304, 8024967, 10699956, 14266608, 16049934, 21399912, 32099868, 42799824, 64199736, 128399472]

約数ペア:

[(1, 128399472), (2, 64199736), (3, 42799824), (4, 32099868), (6, 21399912), (8, 16049934), (9, 14266608), (12, 10699956), (16, 8024967), (18, 7133304), (24, 5349978), (27, 4755536), (29, 4427568), (36, 3566652), (37, 3470256), (48, 2674989), (54, 2377768), (58, 2213784), (72, 1783326), (74, 1735128), (87, 1475856), (108, 1188884), (111, 1156752), (116, 1106892), (144, 891663), (148, 867564), (174, 737928), (216, 594442), (222, 578376), (232, 553446), (261, 491952), (277, 463536), (296, 433782), (333, 385584), (348, 368964), (432, 297221), (444, 289188), (464, 276723), (522, 245976), (554, 231768), (592, 216891), (666, 192792), (696, 184482), (783, 163984), (831, 154512), (888, 144594), (999, 128528), (1044, 122988), (1073, 119664), (1108, 115884), (1332, 96396), (1392, 92241), (1566, 81992), (1662, 77256), (1776, 72297), (1998, 64264), (2088, 61494), (2146, 59832), (2216, 57942), (2493, 51504), (2664, 48198), (3132, 40996), (3219, 39888), (3324, 38628), (3996, 32132), (4176, 30747), (4292, 29916), (4432, 28971), (4986, 25752), (5328, 24099), (6264, 20498), (6438, 19944), (6648, 19314), (7479, 17168), (7992, 16066), (8033, 15984), (8584, 14958), (9657, 13296), (9972, 12876), (10249, 12528)]