77797720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 256

約数和(自身を含む): 246758400

約数和(自身を除く): 168960680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 29, 35, 40, 44, 52, 55, 56, 58, 65, 67, 70, 77, 88, 91, 104, 110, 116, 130, 134, 140, 143, 145, 154, 182, 203, 220, 232, 260, 268, 280, 286, 290, 308, 319, 335, 364, 377, 385, 406, 440, 455, 469, 520, 536, 572, 580, 616, 638, 670, 715, 728, 737, 754, 770, 812, 871, 910, 938, 1001, 1015, 1144, 1160, 1276, 1340, 1430, 1474, 1508, 1540, 1595, 1624, 1742, 1820, 1876, 1885, 1943, 2002, 2030, 2233, 2345, 2552, 2639, 2680, 2860, 2948, 3016, 3080, 3190, 3484, 3640, 3685, 3752, 3770, 3886, 4004, 4060, 4147, 4355, 4466, 4690, 5005, 5159, 5278, 5720, 5896, 6097, 6380, 6968, 7370, 7540, 7772, 8008, 8120, 8294, 8710, 8932, 9380, 9581, 9715, 10010, 10318, 10556, 11165, 12194, 12760, 13195, 13601, 14740, 15080, 15544, 16588, 17420, 17864, 18760, 19162, 19430, 20020, 20636, 20735, 21112, 21373, 22330, 24388, 25259, 25795, 26390, 27202, 29029, 29480, 30485, 33176, 34840, 38324, 38860, 40040, 41272, 41470, 42746, 44660, 47905, 48776, 50518, 51590, 52780, 54404, 58058, 60970, 67067, 68005, 76648, 77720, 82940, 85492, 89320, 95810, 101036, 103180, 105560, 106865, 108808, 116116, 121940, 126295, 134134, 136010, 145145, 149611, 165880, 170984, 176813, 191620, 202072, 206360, 213730, 232232, 243880, 252590, 268268, 272020, 277849, 290290, 299222, 335335, 353626, 383240, 427460, 505180, 536536, 544040, 555698, 580580, 598444, 670670, 707252, 748055, 854920, 884065, 1010360, 1111396, 1161160, 1196888, 1341340, 1389245, 1414504, 1496110, 1768130, 1944943, 2222792, 2682680, 2778490, 2992220, 3536260, 3889886, 5556980, 5984440, 7072520, 7779772, 9724715, 11113960, 15559544, 19449430, 38898860, 77797720]

約数ペア:

[(1, 77797720), (2, 38898860), (4, 19449430), (5, 15559544), (7, 11113960), (8, 9724715), (10, 7779772), (11, 7072520), (13, 5984440), (14, 5556980), (20, 3889886), (22, 3536260), (26, 2992220), (28, 2778490), (29, 2682680), (35, 2222792), (40, 1944943), (44, 1768130), (52, 1496110), (55, 1414504), (56, 1389245), (58, 1341340), (65, 1196888), (67, 1161160), (70, 1111396), (77, 1010360), (88, 884065), (91, 854920), (104, 748055), (110, 707252), (116, 670670), (130, 598444), (134, 580580), (140, 555698), (143, 544040), (145, 536536), (154, 505180), (182, 427460), (203, 383240), (220, 353626), (232, 335335), (260, 299222), (268, 290290), (280, 277849), (286, 272020), (290, 268268), (308, 252590), (319, 243880), (335, 232232), (364, 213730), (377, 206360), (385, 202072), (406, 191620), (440, 176813), (455, 170984), (469, 165880), (520, 149611), (536, 145145), (572, 136010), (580, 134134), (616, 126295), (638, 121940), (670, 116116), (715, 108808), (728, 106865), (737, 105560), (754, 103180), (770, 101036), (812, 95810), (871, 89320), (910, 85492), (938, 82940), (1001, 77720), (1015, 76648), (1144, 68005), (1160, 67067), (1276, 60970), (1340, 58058), (1430, 54404), (1474, 52780), (1508, 51590), (1540, 50518), (1595, 48776), (1624, 47905), (1742, 44660), (1820, 42746), (1876, 41470), (1885, 41272), (1943, 40040), (2002, 38860), (2030, 38324), (2233, 34840), (2345, 33176), (2552, 30485), (2639, 29480), (2680, 29029), (2860, 27202), (2948, 26390), (3016, 25795), (3080, 25259), (3190, 24388), (3484, 22330), (3640, 21373), (3685, 21112), (3752, 20735), (3770, 20636), (3886, 20020), (4004, 19430), (4060, 19162), (4147, 18760), (4355, 17864), (4466, 17420), (4690, 16588), (5005, 15544), (5159, 15080), (5278, 14740), (5720, 13601), (5896, 13195), (6097, 12760), (6380, 12194), (6968, 11165), (7370, 10556), (7540, 10318), (7772, 10010), (8008, 9715), (8120, 9581), (8294, 9380), (8710, 8932)]