128784045

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 229743360

約数和(自身を除く): 100959315

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 83, 109, 195, 219, 249, 327, 365, 415, 545, 949, 1079, 1095, 1245, 1417, 1635, 2847, 3237, 4251, 4745, 5395, 6059, 7085, 7957, 9047, 14235, 16185, 18177, 21255, 23871, 27141, 30295, 39785, 45235, 78767, 90885, 103441, 117611, 119355, 135705, 236301, 310323, 352833, 393835, 517205, 588055, 660431, 1181505, 1551615, 1764165, 1981293, 3302155, 8585603, 9906465, 25756809, 42928015, 128784045]

約数ペア:

[(1, 128784045), (3, 42928015), (5, 25756809), (13, 9906465), (15, 8585603), (39, 3302155), (65, 1981293), (73, 1764165), (83, 1551615), (109, 1181505), (195, 660431), (219, 588055), (249, 517205), (327, 393835), (365, 352833), (415, 310323), (545, 236301), (949, 135705), (1079, 119355), (1095, 117611), (1245, 103441), (1417, 90885), (1635, 78767), (2847, 45235), (3237, 39785), (4251, 30295), (4745, 27141), (5395, 23871), (6059, 21255), (7085, 18177), (7957, 16185), (9047, 14235)]