68787180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 216

約数和(自身を含む): 265159440

約数和(自身を除く): 196372260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 709, 735, 770, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1418, 1470, 1540, 1617, 1764, 1980, 2127, 2156, 2205, 2310, 2695, 2772, 2836, 2940, 3234, 3465, 3545, 4254, 4410, 4620, 4851, 4963, 5390, 6381, 6468, 6930, 7090, 7799, 8085, 8508, 8820, 9702, 9926, 10635, 10780, 12762, 13860, 14180, 14889, 15598, 16170, 19404, 19852, 21270, 23397, 24255, 24815, 25524, 29778, 31196, 31905, 32340, 34741, 38995, 42540, 44667, 46794, 48510, 49630, 54593, 59556, 63810, 69482, 70191, 74445, 77990, 89334, 93588, 97020, 99260, 104223, 109186, 116985, 127620, 138964, 140382, 148890, 155980, 163779, 173705, 178668, 208446, 218372, 223335, 233970, 272965, 280764, 297780, 312669, 327558, 347410, 350955, 382151, 416892, 446670, 467940, 491337, 521115, 545930, 625338, 655116, 694820, 701910, 764302, 818895, 893340, 982674, 1042230, 1091860, 1146453, 1250676, 1403820, 1528604, 1563345, 1637790, 1910755, 1965348, 2084460, 2292906, 2456685, 3126690, 3275580, 3439359, 3821510, 4585812, 4913370, 5732265, 6253380, 6878718, 7643020, 9826740, 11464530, 13757436, 17196795, 22929060, 34393590, 68787180]

約数ペア:

[(1, 68787180), (2, 34393590), (3, 22929060), (4, 17196795), (5, 13757436), (6, 11464530), (7, 9826740), (9, 7643020), (10, 6878718), (11, 6253380), (12, 5732265), (14, 4913370), (15, 4585812), (18, 3821510), (20, 3439359), (21, 3275580), (22, 3126690), (28, 2456685), (30, 2292906), (33, 2084460), (35, 1965348), (36, 1910755), (42, 1637790), (44, 1563345), (45, 1528604), (49, 1403820), (55, 1250676), (60, 1146453), (63, 1091860), (66, 1042230), (70, 982674), (77, 893340), (84, 818895), (90, 764302), (98, 701910), (99, 694820), (105, 655116), (110, 625338), (126, 545930), (132, 521115), (140, 491337), (147, 467940), (154, 446670), (165, 416892), (180, 382151), (196, 350955), (198, 347410), (210, 327558), (220, 312669), (231, 297780), (245, 280764), (252, 272965), (294, 233970), (308, 223335), (315, 218372), (330, 208446), (385, 178668), (396, 173705), (420, 163779), (441, 155980), (462, 148890), (490, 140382), (495, 138964), (539, 127620), (588, 116985), (630, 109186), (660, 104223), (693, 99260), (709, 97020), (735, 93588), (770, 89334), (882, 77990), (924, 74445), (980, 70191), (990, 69482), (1078, 63810), (1155, 59556), (1260, 54593), (1386, 49630), (1418, 48510), (1470, 46794), (1540, 44667), (1617, 42540), (1764, 38995), (1980, 34741), (2127, 32340), (2156, 31905), (2205, 31196), (2310, 29778), (2695, 25524), (2772, 24815), (2836, 24255), (2940, 23397), (3234, 21270), (3465, 19852), (3545, 19404), (4254, 16170), (4410, 15598), (4620, 14889), (4851, 14180), (4963, 13860), (5390, 12762), (6381, 10780), (6468, 10635), (6930, 9926), (7090, 9702), (7799, 8820), (8085, 8508)]