81348624

素因数分解:

$2^4\times 3^5\times 7^3\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 279843200

約数和(自身を除く): 198494576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 61, 63, 72, 81, 84, 98, 108, 112, 122, 126, 144, 147, 162, 168, 183, 189, 196, 216, 243, 244, 252, 294, 324, 336, 343, 366, 378, 392, 427, 432, 441, 486, 488, 504, 549, 567, 588, 648, 686, 732, 756, 784, 854, 882, 972, 976, 1008, 1029, 1098, 1134, 1176, 1281, 1296, 1323, 1372, 1464, 1512, 1647, 1701, 1708, 1764, 1944, 2058, 2196, 2268, 2352, 2562, 2646, 2744, 2928, 2989, 3024, 3087, 3294, 3402, 3416, 3528, 3843, 3888, 3969, 4116, 4392, 4536, 4941, 5124, 5292, 5488, 5978, 6174, 6588, 6804, 6832, 7056, 7686, 7938, 8232, 8784, 8967, 9072, 9261, 9882, 10248, 10584, 11529, 11907, 11956, 12348, 13176, 13608, 14823, 15372, 15876, 16464, 17934, 18522, 19764, 20496, 20923, 21168, 23058, 23814, 23912, 24696, 26352, 26901, 27216, 27783, 29646, 30744, 31752, 34587, 35868, 37044, 39528, 41846, 46116, 47628, 47824, 49392, 53802, 55566, 59292, 61488, 62769, 63504, 69174, 71736, 74088, 79056, 80703, 83349, 83692, 92232, 95256, 103761, 107604, 111132, 118584, 125538, 138348, 143472, 148176, 161406, 166698, 167384, 184464, 188307, 190512, 207522, 215208, 222264, 237168, 242109, 251076, 276696, 322812, 333396, 334768, 376614, 415044, 430416, 444528, 484218, 502152, 553392, 564921, 645624, 666792, 726327, 753228, 830088, 968436, 1004304, 1129842, 1291248, 1333584, 1452654, 1506456, 1660176, 1694763, 1936872, 2259684, 2905308, 3012912, 3389526, 3873744, 4519368, 5084289, 5810616, 6779052, 9038736, 10168578, 11621232, 13558104, 20337156, 27116208, 40674312, 81348624]

約数ペア:

[(1, 81348624), (2, 40674312), (3, 27116208), (4, 20337156), (6, 13558104), (7, 11621232), (8, 10168578), (9, 9038736), (12, 6779052), (14, 5810616), (16, 5084289), (18, 4519368), (21, 3873744), (24, 3389526), (27, 3012912), (28, 2905308), (36, 2259684), (42, 1936872), (48, 1694763), (49, 1660176), (54, 1506456), (56, 1452654), (61, 1333584), (63, 1291248), (72, 1129842), (81, 1004304), (84, 968436), (98, 830088), (108, 753228), (112, 726327), (122, 666792), (126, 645624), (144, 564921), (147, 553392), (162, 502152), (168, 484218), (183, 444528), (189, 430416), (196, 415044), (216, 376614), (243, 334768), (244, 333396), (252, 322812), (294, 276696), (324, 251076), (336, 242109), (343, 237168), (366, 222264), (378, 215208), (392, 207522), (427, 190512), (432, 188307), (441, 184464), (486, 167384), (488, 166698), (504, 161406), (549, 148176), (567, 143472), (588, 138348), (648, 125538), (686, 118584), (732, 111132), (756, 107604), (784, 103761), (854, 95256), (882, 92232), (972, 83692), (976, 83349), (1008, 80703), (1029, 79056), (1098, 74088), (1134, 71736), (1176, 69174), (1281, 63504), (1296, 62769), (1323, 61488), (1372, 59292), (1464, 55566), (1512, 53802), (1647, 49392), (1701, 47824), (1708, 47628), (1764, 46116), (1944, 41846), (2058, 39528), (2196, 37044), (2268, 35868), (2352, 34587), (2562, 31752), (2646, 30744), (2744, 29646), (2928, 27783), (2989, 27216), (3024, 26901), (3087, 26352), (3294, 24696), (3402, 23912), (3416, 23814), (3528, 23058), (3843, 21168), (3888, 20923), (3969, 20496), (4116, 19764), (4392, 18522), (4536, 17934), (4941, 16464), (5124, 15876), (5292, 15372), (5488, 14823), (5978, 13608), (6174, 13176), (6588, 12348), (6804, 11956), (6832, 11907), (7056, 11529), (7686, 10584), (7938, 10248), (8232, 9882), (8784, 9261), (8967, 9072)]