721920384

素因数分解:

$2^7\times 3^3\times {\mathrm{208889}}^1$

素因数の和:208912

約数の個数: 64

約数和(自身を含む): 2130678000

約数和(自身を除く): 1408757616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 208889, 417778, 626667, 835556, 1253334, 1671112, 1880001, 2506668, 3342224, 3760002, 5013336, 5640003, 6684448, 7520004, 10026672, 11280006, 13368896, 15040008, 20053344, 22560012, 26737792, 30080016, 40106688, 45120024, 60160032, 80213376, 90240048, 120320064, 180480096, 240640128, 360960192, 721920384]

約数ペア:

[(1, 721920384), (2, 360960192), (3, 240640128), (4, 180480096), (6, 120320064), (8, 90240048), (9, 80213376), (12, 60160032), (16, 45120024), (18, 40106688), (24, 30080016), (27, 26737792), (32, 22560012), (36, 20053344), (48, 15040008), (54, 13368896), (64, 11280006), (72, 10026672), (96, 7520004), (108, 6684448), (128, 5640003), (144, 5013336), (192, 3760002), (216, 3342224), (288, 2506668), (384, 1880001), (432, 1671112), (576, 1253334), (864, 835556), (1152, 626667), (1728, 417778), (3456, 208889)]