81486288

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 270816000

約数和(自身を除く): 189329712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 29, 36, 38, 39, 48, 52, 57, 58, 72, 76, 78, 79, 87, 104, 114, 116, 117, 144, 152, 156, 158, 171, 174, 208, 228, 232, 234, 237, 247, 261, 304, 312, 316, 342, 348, 377, 456, 464, 468, 474, 494, 522, 551, 624, 632, 684, 696, 711, 741, 754, 912, 936, 948, 988, 1027, 1044, 1102, 1131, 1264, 1368, 1392, 1422, 1482, 1501, 1508, 1653, 1872, 1896, 1976, 2054, 2088, 2204, 2223, 2262, 2291, 2736, 2844, 2964, 3002, 3016, 3081, 3306, 3393, 3792, 3952, 4108, 4176, 4408, 4446, 4503, 4524, 4582, 4959, 5688, 5928, 6004, 6032, 6162, 6612, 6786, 6873, 7163, 8216, 8816, 8892, 9006, 9048, 9164, 9243, 9918, 11376, 11856, 12008, 12324, 13224, 13509, 13572, 13746, 14326, 16432, 17784, 18012, 18096, 18328, 18486, 19513, 19836, 20619, 21489, 24016, 24648, 26448, 27018, 27144, 27492, 28652, 29783, 35568, 36024, 36656, 36972, 39026, 39672, 41238, 42978, 43529, 49296, 54036, 54288, 54984, 57304, 58539, 59566, 64467, 72048, 73944, 78052, 79344, 82476, 85956, 87058, 89349, 108072, 109968, 114608, 117078, 119132, 128934, 130587, 147888, 156104, 164952, 171912, 174116, 175617, 178698, 216144, 234156, 238264, 257868, 261174, 268047, 312208, 329904, 343824, 348232, 351234, 357396, 391761, 468312, 476528, 515736, 522348, 536094, 565877, 696464, 702468, 714792, 783522, 936624, 1031472, 1044696, 1072188, 1131754, 1404936, 1429584, 1567044, 1697631, 2089392, 2144376, 2263508, 2809872, 3134088, 3395262, 4288752, 4527016, 5092893, 6268176, 6790524, 9054032, 10185786, 13581048, 20371572, 27162096, 40743144, 81486288]

約数ペア:

[(1, 81486288), (2, 40743144), (3, 27162096), (4, 20371572), (6, 13581048), (8, 10185786), (9, 9054032), (12, 6790524), (13, 6268176), (16, 5092893), (18, 4527016), (19, 4288752), (24, 3395262), (26, 3134088), (29, 2809872), (36, 2263508), (38, 2144376), (39, 2089392), (48, 1697631), (52, 1567044), (57, 1429584), (58, 1404936), (72, 1131754), (76, 1072188), (78, 1044696), (79, 1031472), (87, 936624), (104, 783522), (114, 714792), (116, 702468), (117, 696464), (144, 565877), (152, 536094), (156, 522348), (158, 515736), (171, 476528), (174, 468312), (208, 391761), (228, 357396), (232, 351234), (234, 348232), (237, 343824), (247, 329904), (261, 312208), (304, 268047), (312, 261174), (316, 257868), (342, 238264), (348, 234156), (377, 216144), (456, 178698), (464, 175617), (468, 174116), (474, 171912), (494, 164952), (522, 156104), (551, 147888), (624, 130587), (632, 128934), (684, 119132), (696, 117078), (711, 114608), (741, 109968), (754, 108072), (912, 89349), (936, 87058), (948, 85956), (988, 82476), (1027, 79344), (1044, 78052), (1102, 73944), (1131, 72048), (1264, 64467), (1368, 59566), (1392, 58539), (1422, 57304), (1482, 54984), (1501, 54288), (1508, 54036), (1653, 49296), (1872, 43529), (1896, 42978), (1976, 41238), (2054, 39672), (2088, 39026), (2204, 36972), (2223, 36656), (2262, 36024), (2291, 35568), (2736, 29783), (2844, 28652), (2964, 27492), (3002, 27144), (3016, 27018), (3081, 26448), (3306, 24648), (3393, 24016), (3792, 21489), (3952, 20619), (4108, 19836), (4176, 19513), (4408, 18486), (4446, 18328), (4503, 18096), (4524, 18012), (4582, 17784), (4959, 16432), (5688, 14326), (5928, 13746), (6004, 13572), (6032, 13509), (6162, 13224), (6612, 12324), (6786, 12008), (6873, 11856), (7163, 11376), (8216, 9918), (8816, 9243), (8892, 9164), (9006, 9048)]