81019008

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:244

約数の個数: 256

約数和(自身を含む): 290822400

約数和(自身を除く): 209803392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 64, 68, 72, 84, 96, 102, 108, 112, 119, 126, 128, 136, 144, 153, 168, 189, 192, 197, 204, 216, 224, 238, 252, 272, 288, 306, 336, 357, 378, 384, 394, 408, 432, 448, 459, 476, 504, 544, 576, 591, 612, 672, 714, 756, 788, 816, 864, 896, 918, 952, 1008, 1071, 1088, 1152, 1182, 1224, 1344, 1379, 1428, 1512, 1576, 1632, 1728, 1773, 1836, 1904, 2016, 2142, 2176, 2364, 2448, 2688, 2758, 2856, 3024, 3152, 3213, 3264, 3349, 3456, 3546, 3672, 3808, 4032, 4137, 4284, 4728, 4896, 5319, 5516, 5712, 6048, 6304, 6426, 6528, 6698, 7092, 7344, 7616, 8064, 8274, 8568, 9456, 9792, 10047, 10638, 11032, 11424, 12096, 12411, 12608, 12852, 13396, 14184, 14688, 15232, 16548, 17136, 18912, 19584, 20094, 21276, 22064, 22848, 23443, 24192, 24822, 25216, 25704, 26792, 28368, 29376, 30141, 33096, 34272, 37233, 37824, 40188, 42552, 44128, 45696, 46886, 49644, 51408, 53584, 56736, 58752, 60282, 66192, 68544, 70329, 74466, 75648, 80376, 85104, 88256, 90423, 93772, 99288, 102816, 107168, 113472, 120564, 132384, 137088, 140658, 148932, 160752, 170208, 176512, 180846, 187544, 198576, 205632, 210987, 214336, 226944, 241128, 264768, 281316, 297864, 321504, 340416, 361692, 375088, 397152, 411264, 421974, 428672, 482256, 529536, 562632, 595728, 632961, 643008, 680832, 723384, 750176, 794304, 843948, 964512, 1125264, 1191456, 1265922, 1286016, 1446768, 1500352, 1588608, 1687896, 1929024, 2250528, 2382912, 2531844, 2893536, 3000704, 3375792, 3858048, 4501056, 4765824, 5063688, 5787072, 6751584, 9002112, 10127376, 11574144, 13503168, 20254752, 27006336, 40509504, 81019008]

約数ペア:

[(1, 81019008), (2, 40509504), (3, 27006336), (4, 20254752), (6, 13503168), (7, 11574144), (8, 10127376), (9, 9002112), (12, 6751584), (14, 5787072), (16, 5063688), (17, 4765824), (18, 4501056), (21, 3858048), (24, 3375792), (27, 3000704), (28, 2893536), (32, 2531844), (34, 2382912), (36, 2250528), (42, 1929024), (48, 1687896), (51, 1588608), (54, 1500352), (56, 1446768), (63, 1286016), (64, 1265922), (68, 1191456), (72, 1125264), (84, 964512), (96, 843948), (102, 794304), (108, 750176), (112, 723384), (119, 680832), (126, 643008), (128, 632961), (136, 595728), (144, 562632), (153, 529536), (168, 482256), (189, 428672), (192, 421974), (197, 411264), (204, 397152), (216, 375088), (224, 361692), (238, 340416), (252, 321504), (272, 297864), (288, 281316), (306, 264768), (336, 241128), (357, 226944), (378, 214336), (384, 210987), (394, 205632), (408, 198576), (432, 187544), (448, 180846), (459, 176512), (476, 170208), (504, 160752), (544, 148932), (576, 140658), (591, 137088), (612, 132384), (672, 120564), (714, 113472), (756, 107168), (788, 102816), (816, 99288), (864, 93772), (896, 90423), (918, 88256), (952, 85104), (1008, 80376), (1071, 75648), (1088, 74466), (1152, 70329), (1182, 68544), (1224, 66192), (1344, 60282), (1379, 58752), (1428, 56736), (1512, 53584), (1576, 51408), (1632, 49644), (1728, 46886), (1773, 45696), (1836, 44128), (1904, 42552), (2016, 40188), (2142, 37824), (2176, 37233), (2364, 34272), (2448, 33096), (2688, 30141), (2758, 29376), (2856, 28368), (3024, 26792), (3152, 25704), (3213, 25216), (3264, 24822), (3349, 24192), (3456, 23443), (3546, 22848), (3672, 22064), (3808, 21276), (4032, 20094), (4137, 19584), (4284, 18912), (4728, 17136), (4896, 16548), (5319, 15232), (5516, 14688), (5712, 14184), (6048, 13396), (6304, 12852), (6426, 12608), (6528, 12411), (6698, 12096), (7092, 11424), (7344, 11032), (7616, 10638), (8064, 10047), (8274, 9792), (8568, 9456)]