1640574

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 80

約数和(自身を含む): 4268880

約数和(自身を除く): 2628306

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 41, 54, 57, 78, 81, 82, 114, 117, 123, 162, 171, 234, 246, 247, 342, 351, 369, 494, 513, 533, 702, 738, 741, 779, 1026, 1053, 1066, 1107, 1482, 1539, 1558, 1599, 2106, 2214, 2223, 2337, 3078, 3198, 3321, 4446, 4674, 4797, 6642, 6669, 7011, 9594, 10127, 13338, 14022, 14391, 20007, 20254, 21033, 28782, 30381, 40014, 42066, 43173, 60762, 63099, 86346, 91143, 126198, 182286, 273429, 546858, 820287, 1640574]

約数ペア:

[(1, 1640574), (2, 820287), (3, 546858), (6, 273429), (9, 182286), (13, 126198), (18, 91143), (19, 86346), (26, 63099), (27, 60762), (38, 43173), (39, 42066), (41, 40014), (54, 30381), (57, 28782), (78, 21033), (81, 20254), (82, 20007), (114, 14391), (117, 14022), (123, 13338), (162, 10127), (171, 9594), (234, 7011), (246, 6669), (247, 6642), (342, 4797), (351, 4674), (369, 4446), (494, 3321), (513, 3198), (533, 3078), (702, 2337), (738, 2223), (741, 2214), (779, 2106), (1026, 1599), (1053, 1558), (1066, 1539), (1107, 1482)]