1981508256

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1593

約数の個数: 288

約数和(自身を含む): 7081401600

約数和(自身を除く): 5099893344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 343, 364, 392, 416, 441, 468, 504, 546, 588, 624, 637, 672, 686, 728, 784, 819, 882, 936, 1008, 1029, 1092, 1176, 1248, 1274, 1372, 1456, 1543, 1568, 1638, 1764, 1872, 1911, 2016, 2058, 2184, 2352, 2548, 2744, 2912, 3086, 3087, 3276, 3528, 3744, 3822, 4116, 4368, 4459, 4629, 4704, 5096, 5488, 5733, 6172, 6174, 6552, 7056, 7644, 8232, 8736, 8918, 9258, 10192, 10801, 10976, 11466, 12344, 12348, 13104, 13377, 13887, 14112, 15288, 16464, 17836, 18516, 20059, 20384, 21602, 22932, 24688, 24696, 26208, 26754, 27774, 30576, 32403, 32928, 35672, 37032, 40118, 40131, 43204, 45864, 49376, 49392, 53508, 55548, 60177, 61152, 64806, 71344, 74064, 75607, 80236, 80262, 86408, 91728, 97209, 98784, 107016, 111096, 120354, 129612, 140413, 142688, 148128, 151214, 160472, 160524, 172816, 180531, 183456, 194418, 214032, 222192, 226821, 240708, 259224, 280826, 302428, 320944, 321048, 345632, 361062, 388836, 421239, 428064, 444384, 453642, 481416, 518448, 529249, 561652, 604856, 641888, 642096, 680463, 722124, 777672, 842478, 907284, 962832, 982891, 1036896, 1058498, 1123304, 1209712, 1263717, 1284192, 1360926, 1444248, 1555344, 1587747, 1684956, 1814568, 1925664, 1965782, 2116996, 2246608, 2419424, 2527434, 2721852, 2888496, 2948673, 3110688, 3175494, 3369912, 3629136, 3931564, 4233992, 4493216, 4763241, 5054868, 5443704, 5776992, 5897346, 6350988, 6739824, 6880237, 7258272, 7863128, 8467984, 8846019, 9526482, 10109736, 10887408, 11794692, 12701976, 13479648, 13760474, 15726256, 16935968, 17692038, 19052964, 20219472, 20640711, 21774816, 23589384, 25403952, 27520948, 31452512, 35384076, 38105928, 40438944, 41281422, 47178768, 50807904, 55041896, 61922133, 70768152, 76211856, 82562844, 94357536, 110083792, 123844266, 141536304, 152423712, 165125688, 220167584, 247688532, 283072608, 330251376, 495377064, 660502752, 990754128, 1981508256]

約数ペア:

[(1, 1981508256), (2, 990754128), (3, 660502752), (4, 495377064), (6, 330251376), (7, 283072608), (8, 247688532), (9, 220167584), (12, 165125688), (13, 152423712), (14, 141536304), (16, 123844266), (18, 110083792), (21, 94357536), (24, 82562844), (26, 76211856), (28, 70768152), (32, 61922133), (36, 55041896), (39, 50807904), (42, 47178768), (48, 41281422), (49, 40438944), (52, 38105928), (56, 35384076), (63, 31452512), (72, 27520948), (78, 25403952), (84, 23589384), (91, 21774816), (96, 20640711), (98, 20219472), (104, 19052964), (112, 17692038), (117, 16935968), (126, 15726256), (144, 13760474), (147, 13479648), (156, 12701976), (168, 11794692), (182, 10887408), (196, 10109736), (208, 9526482), (224, 8846019), (234, 8467984), (252, 7863128), (273, 7258272), (288, 6880237), (294, 6739824), (312, 6350988), (336, 5897346), (343, 5776992), (364, 5443704), (392, 5054868), (416, 4763241), (441, 4493216), (468, 4233992), (504, 3931564), (546, 3629136), (588, 3369912), (624, 3175494), (637, 3110688), (672, 2948673), (686, 2888496), (728, 2721852), (784, 2527434), (819, 2419424), (882, 2246608), (936, 2116996), (1008, 1965782), (1029, 1925664), (1092, 1814568), (1176, 1684956), (1248, 1587747), (1274, 1555344), (1372, 1444248), (1456, 1360926), (1543, 1284192), (1568, 1263717), (1638, 1209712), (1764, 1123304), (1872, 1058498), (1911, 1036896), (2016, 982891), (2058, 962832), (2184, 907284), (2352, 842478), (2548, 777672), (2744, 722124), (2912, 680463), (3086, 642096), (3087, 641888), (3276, 604856), (3528, 561652), (3744, 529249), (3822, 518448), (4116, 481416), (4368, 453642), (4459, 444384), (4629, 428064), (4704, 421239), (5096, 388836), (5488, 361062), (5733, 345632), (6172, 321048), (6174, 320944), (6552, 302428), (7056, 280826), (7644, 259224), (8232, 240708), (8736, 226821), (8918, 222192), (9258, 214032), (10192, 194418), (10801, 183456), (10976, 180531), (11466, 172816), (12344, 160524), (12348, 160472), (13104, 151214), (13377, 148128), (13887, 142688), (14112, 140413), (15288, 129612), (16464, 120354), (17836, 111096), (18516, 107016), (20059, 98784), (20384, 97209), (21602, 91728), (22932, 86408), (24688, 80262), (24696, 80236), (26208, 75607), (26754, 74064), (27774, 71344), (30576, 64806), (32403, 61152), (32928, 60177), (35672, 55548), (37032, 53508), (40118, 49392), (40131, 49376), (43204, 45864)]