64724868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 192628800

約数和(自身を除く): 127903932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 117, 156, 171, 174, 228, 234, 247, 251, 261, 342, 348, 377, 468, 494, 502, 522, 551, 684, 741, 753, 754, 988, 1004, 1044, 1102, 1131, 1482, 1506, 1508, 1653, 2204, 2223, 2259, 2262, 2964, 3012, 3263, 3306, 3393, 4446, 4518, 4524, 4769, 4959, 6526, 6612, 6786, 7163, 7279, 8892, 9036, 9538, 9789, 9918, 13052, 13572, 14307, 14326, 14558, 19076, 19578, 19836, 21489, 21837, 28614, 28652, 29116, 29367, 39156, 42921, 42978, 43674, 57228, 58734, 61997, 64467, 65511, 85842, 85956, 87348, 94627, 117468, 123994, 128934, 131022, 138301, 171684, 185991, 189254, 247988, 257868, 262044, 276602, 283881, 371982, 378508, 414903, 553204, 557973, 567762, 743964, 829806, 851643, 1115946, 1135524, 1244709, 1659612, 1703286, 1797913, 2231892, 2489418, 3406572, 3595826, 4978836, 5393739, 7191652, 10787478, 16181217, 21574956, 32362434, 64724868]

約数ペア:

[(1, 64724868), (2, 32362434), (3, 21574956), (4, 16181217), (6, 10787478), (9, 7191652), (12, 5393739), (13, 4978836), (18, 3595826), (19, 3406572), (26, 2489418), (29, 2231892), (36, 1797913), (38, 1703286), (39, 1659612), (52, 1244709), (57, 1135524), (58, 1115946), (76, 851643), (78, 829806), (87, 743964), (114, 567762), (116, 557973), (117, 553204), (156, 414903), (171, 378508), (174, 371982), (228, 283881), (234, 276602), (247, 262044), (251, 257868), (261, 247988), (342, 189254), (348, 185991), (377, 171684), (468, 138301), (494, 131022), (502, 128934), (522, 123994), (551, 117468), (684, 94627), (741, 87348), (753, 85956), (754, 85842), (988, 65511), (1004, 64467), (1044, 61997), (1102, 58734), (1131, 57228), (1482, 43674), (1506, 42978), (1508, 42921), (1653, 39156), (2204, 29367), (2223, 29116), (2259, 28652), (2262, 28614), (2964, 21837), (3012, 21489), (3263, 19836), (3306, 19578), (3393, 19076), (4446, 14558), (4518, 14326), (4524, 14307), (4769, 13572), (4959, 13052), (6526, 9918), (6612, 9789), (6786, 9538), (7163, 9036), (7279, 8892)]