81685210428

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:862

約数の個数: 240

約数和(自身を含む): 225396864000

約数和(自身を除く): 143711653572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 59, 62, 81, 93, 108, 118, 124, 162, 177, 186, 236, 279, 307, 324, 354, 372, 449, 531, 558, 614, 708, 837, 898, 921, 1062, 1116, 1228, 1347, 1593, 1674, 1796, 1829, 1842, 2124, 2511, 2694, 2763, 3186, 3348, 3658, 3684, 4041, 4779, 5022, 5388, 5487, 5526, 6372, 7316, 8082, 8289, 9517, 9558, 10044, 10974, 11052, 12123, 13919, 16164, 16461, 16578, 18113, 19034, 19116, 21948, 24246, 24867, 26491, 27838, 28551, 32922, 33156, 36226, 36369, 38068, 41757, 48492, 49383, 49734, 52982, 54339, 55676, 57102, 65844, 72452, 72738, 79473, 83514, 85653, 98766, 99468, 105964, 108678, 114204, 125271, 137843, 145476, 148149, 158946, 163017, 167028, 171306, 197532, 217356, 238419, 250542, 256959, 275686, 296298, 317892, 326034, 342612, 375813, 413529, 476838, 489051, 501084, 513918, 551372, 561503, 592596, 652068, 715257, 751626, 770877, 821221, 827058, 953676, 978102, 1027836, 1123006, 1127439, 1240587, 1430514, 1467153, 1503252, 1541754, 1642442, 1654116, 1684509, 1956204, 2145771, 2246012, 2254878, 2463663, 2481174, 2861028, 2934306, 3083508, 3284884, 3369018, 3721761, 4273133, 4291542, 4509756, 4927326, 4962348, 5053527, 5868612, 6738036, 7390989, 7443522, 8132737, 8546266, 8583084, 9854652, 10107054, 11165283, 12819399, 14781978, 14887044, 15160581, 16265474, 17092532, 20214108, 22172967, 22330566, 24398211, 25638798, 29563956, 30321162, 32530948, 38458197, 44345934, 44661132, 45481743, 48796422, 51277596, 60642324, 66518901, 73194633, 76916394, 88691868, 90963486, 97592844, 115374591, 133037802, 146389266, 153832788, 181926972, 219583899, 230749182, 252114847, 266075604, 292778532, 346123773, 439167798, 461498364, 504229694, 658751697, 692247546, 756344541, 878335596, 1008459388, 1317503394, 1384495092, 1512689082, 2269033623, 2635006788, 3025378164, 4538067246, 6807100869, 9076134492, 13614201738, 20421302607, 27228403476, 40842605214, 81685210428]

約数ペア:

[(1, 81685210428), (2, 40842605214), (3, 27228403476), (4, 20421302607), (6, 13614201738), (9, 9076134492), (12, 6807100869), (18, 4538067246), (27, 3025378164), (31, 2635006788), (36, 2269033623), (54, 1512689082), (59, 1384495092), (62, 1317503394), (81, 1008459388), (93, 878335596), (108, 756344541), (118, 692247546), (124, 658751697), (162, 504229694), (177, 461498364), (186, 439167798), (236, 346123773), (279, 292778532), (307, 266075604), (324, 252114847), (354, 230749182), (372, 219583899), (449, 181926972), (531, 153832788), (558, 146389266), (614, 133037802), (708, 115374591), (837, 97592844), (898, 90963486), (921, 88691868), (1062, 76916394), (1116, 73194633), (1228, 66518901), (1347, 60642324), (1593, 51277596), (1674, 48796422), (1796, 45481743), (1829, 44661132), (1842, 44345934), (2124, 38458197), (2511, 32530948), (2694, 30321162), (2763, 29563956), (3186, 25638798), (3348, 24398211), (3658, 22330566), (3684, 22172967), (4041, 20214108), (4779, 17092532), (5022, 16265474), (5388, 15160581), (5487, 14887044), (5526, 14781978), (6372, 12819399), (7316, 11165283), (8082, 10107054), (8289, 9854652), (9517, 8583084), (9558, 8546266), (10044, 8132737), (10974, 7443522), (11052, 7390989), (12123, 6738036), (13919, 5868612), (16164, 5053527), (16461, 4962348), (16578, 4927326), (18113, 4509756), (19034, 4291542), (19116, 4273133), (21948, 3721761), (24246, 3369018), (24867, 3284884), (26491, 3083508), (27838, 2934306), (28551, 2861028), (32922, 2481174), (33156, 2463663), (36226, 2254878), (36369, 2246012), (38068, 2145771), (41757, 1956204), (48492, 1684509), (49383, 1654116), (49734, 1642442), (52982, 1541754), (54339, 1503252), (55676, 1467153), (57102, 1430514), (65844, 1240587), (72452, 1127439), (72738, 1123006), (79473, 1027836), (83514, 978102), (85653, 953676), (98766, 827058), (99468, 821221), (105964, 770877), (108678, 751626), (114204, 715257), (125271, 652068), (137843, 592596), (145476, 561503), (148149, 551372), (158946, 513918), (163017, 501084), (167028, 489051), (171306, 476838), (197532, 413529), (217356, 375813), (238419, 342612), (250542, 326034), (256959, 317892), (275686, 296298)]