81146208

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 262144512

約数和(自身を除く): 180998304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 23, 24, 26, 32, 33, 39, 44, 46, 48, 52, 66, 69, 78, 88, 92, 96, 104, 132, 138, 143, 156, 176, 184, 208, 253, 257, 264, 276, 286, 299, 312, 352, 368, 416, 429, 506, 514, 528, 552, 572, 598, 624, 736, 759, 771, 858, 897, 1012, 1028, 1056, 1104, 1144, 1196, 1248, 1518, 1542, 1716, 1794, 2024, 2056, 2208, 2288, 2392, 2827, 3036, 3084, 3289, 3341, 3432, 3588, 4048, 4112, 4576, 4784, 5654, 5911, 6072, 6168, 6578, 6682, 6864, 7176, 8096, 8224, 8481, 9568, 9867, 10023, 11308, 11822, 12144, 12336, 13156, 13364, 13728, 14352, 16962, 17733, 19734, 20046, 22616, 23644, 24288, 24672, 26312, 26728, 28704, 33924, 35466, 36751, 39468, 40092, 45232, 47288, 52624, 53456, 65021, 67848, 70932, 73502, 76843, 78936, 80184, 90464, 94576, 105248, 106912, 110253, 130042, 135696, 141864, 147004, 153686, 157872, 160368, 189152, 195063, 220506, 230529, 260084, 271392, 283728, 294008, 307372, 315744, 320736, 390126, 441012, 461058, 520168, 567456, 588016, 614744, 780252, 845273, 882024, 922116, 1040336, 1176032, 1229488, 1560504, 1690546, 1764048, 1844232, 2080672, 2458976, 2535819, 3121008, 3381092, 3528096, 3688464, 5071638, 6242016, 6762184, 7376928, 10143276, 13524368, 20286552, 27048736, 40573104, 81146208]

約数ペア:

[(1, 81146208), (2, 40573104), (3, 27048736), (4, 20286552), (6, 13524368), (8, 10143276), (11, 7376928), (12, 6762184), (13, 6242016), (16, 5071638), (22, 3688464), (23, 3528096), (24, 3381092), (26, 3121008), (32, 2535819), (33, 2458976), (39, 2080672), (44, 1844232), (46, 1764048), (48, 1690546), (52, 1560504), (66, 1229488), (69, 1176032), (78, 1040336), (88, 922116), (92, 882024), (96, 845273), (104, 780252), (132, 614744), (138, 588016), (143, 567456), (156, 520168), (176, 461058), (184, 441012), (208, 390126), (253, 320736), (257, 315744), (264, 307372), (276, 294008), (286, 283728), (299, 271392), (312, 260084), (352, 230529), (368, 220506), (416, 195063), (429, 189152), (506, 160368), (514, 157872), (528, 153686), (552, 147004), (572, 141864), (598, 135696), (624, 130042), (736, 110253), (759, 106912), (771, 105248), (858, 94576), (897, 90464), (1012, 80184), (1028, 78936), (1056, 76843), (1104, 73502), (1144, 70932), (1196, 67848), (1248, 65021), (1518, 53456), (1542, 52624), (1716, 47288), (1794, 45232), (2024, 40092), (2056, 39468), (2208, 36751), (2288, 35466), (2392, 33924), (2827, 28704), (3036, 26728), (3084, 26312), (3289, 24672), (3341, 24288), (3432, 23644), (3588, 22616), (4048, 20046), (4112, 19734), (4576, 17733), (4784, 16962), (5654, 14352), (5911, 13728), (6072, 13364), (6168, 13156), (6578, 12336), (6682, 12144), (6864, 11822), (7176, 11308), (8096, 10023), (8224, 9867), (8481, 9568)]