64865715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 114892800

約数和(自身を除く): 50027085

約数列:

[1, 3, 5, 15, 19, 43, 57, 67, 79, 95, 129, 201, 215, 237, 285, 335, 395, 645, 817, 1005, 1185, 1273, 1501, 2451, 2881, 3397, 3819, 4085, 4503, 5293, 6365, 7505, 8643, 10191, 12255, 14405, 15879, 16985, 19095, 22515, 26465, 43215, 50955, 54739, 64543, 79395, 100567, 164217, 193629, 227599, 273695, 301701, 322715, 502835, 682797, 821085, 968145, 1137995, 1508505, 3413985, 4324381, 12973143, 21621905, 64865715]

約数ペア:

[(1, 64865715), (3, 21621905), (5, 12973143), (15, 4324381), (19, 3413985), (43, 1508505), (57, 1137995), (67, 968145), (79, 821085), (95, 682797), (129, 502835), (201, 322715), (215, 301701), (237, 273695), (285, 227599), (335, 193629), (395, 164217), (645, 100567), (817, 79395), (1005, 64543), (1185, 54739), (1273, 50955), (1501, 43215), (2451, 26465), (2881, 22515), (3397, 19095), (3819, 16985), (4085, 15879), (4503, 14405), (5293, 12255), (6365, 10191), (7505, 8643)]