638682768

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2557

約数の個数: 120

約数和(自身を含む): 1889521920

約数和(自身を除く): 1250839152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 79, 92, 138, 144, 158, 184, 207, 237, 276, 316, 368, 414, 474, 552, 632, 711, 828, 948, 1104, 1264, 1422, 1656, 1817, 1896, 2441, 2844, 3312, 3634, 3792, 4882, 5451, 5688, 7268, 7323, 9764, 10902, 11376, 14536, 14646, 16353, 19528, 21804, 21969, 29072, 29292, 32706, 39056, 43608, 43938, 56143, 58584, 65412, 87216, 87876, 112286, 117168, 130824, 168429, 175752, 192839, 224572, 261648, 336858, 351504, 385678, 449144, 505287, 578517, 673716, 771356, 898288, 1010574, 1157034, 1347432, 1542712, 1735551, 2021148, 2314068, 2694864, 3085424, 3471102, 4042296, 4435297, 4628136, 6942204, 8084592, 8870594, 9256272, 13305891, 13884408, 17741188, 26611782, 27768816, 35482376, 39917673, 53223564, 70964752, 79835346, 106447128, 159670692, 212894256, 319341384, 638682768]

約数ペア:

[(1, 638682768), (2, 319341384), (3, 212894256), (4, 159670692), (6, 106447128), (8, 79835346), (9, 70964752), (12, 53223564), (16, 39917673), (18, 35482376), (23, 27768816), (24, 26611782), (36, 17741188), (46, 13884408), (48, 13305891), (69, 9256272), (72, 8870594), (79, 8084592), (92, 6942204), (138, 4628136), (144, 4435297), (158, 4042296), (184, 3471102), (207, 3085424), (237, 2694864), (276, 2314068), (316, 2021148), (368, 1735551), (414, 1542712), (474, 1347432), (552, 1157034), (632, 1010574), (711, 898288), (828, 771356), (948, 673716), (1104, 578517), (1264, 505287), (1422, 449144), (1656, 385678), (1817, 351504), (1896, 336858), (2441, 261648), (2844, 224572), (3312, 192839), (3634, 175752), (3792, 168429), (4882, 130824), (5451, 117168), (5688, 112286), (7268, 87876), (7323, 87216), (9764, 65412), (10902, 58584), (11376, 56143), (14536, 43938), (14646, 43608), (16353, 39056), (19528, 32706), (21804, 29292), (21969, 29072)]