1386123720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{4787}}^1$

素因数の和:4947

約数の個数: 128

約数和(自身を含む): 4412620800

約数和(自身を除く): 3026497080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 228, 254, 285, 380, 381, 456, 508, 570, 635, 760, 762, 1016, 1140, 1270, 1524, 1905, 2280, 2413, 2540, 3048, 3810, 4787, 4826, 5080, 7239, 7620, 9574, 9652, 12065, 14361, 14478, 15240, 19148, 19304, 23935, 24130, 28722, 28956, 36195, 38296, 47870, 48260, 57444, 57912, 71805, 72390, 90953, 95740, 96520, 114888, 143610, 144780, 181906, 191480, 272859, 287220, 289560, 363812, 454765, 545718, 574440, 607949, 727624, 909530, 1091436, 1215898, 1364295, 1819060, 1823847, 2182872, 2431796, 2728590, 3039745, 3638120, 3647694, 4863592, 5457180, 6079490, 7295388, 9119235, 10914360, 11551031, 12158980, 14590776, 18238470, 23102062, 24317960, 34653093, 36476940, 46204124, 57755155, 69306186, 72953880, 92408248, 115510310, 138612372, 173265465, 231020620, 277224744, 346530930, 462041240, 693061860, 1386123720]

約数ペア:

[(1, 1386123720), (2, 693061860), (3, 462041240), (4, 346530930), (5, 277224744), (6, 231020620), (8, 173265465), (10, 138612372), (12, 115510310), (15, 92408248), (19, 72953880), (20, 69306186), (24, 57755155), (30, 46204124), (38, 36476940), (40, 34653093), (57, 24317960), (60, 23102062), (76, 18238470), (95, 14590776), (114, 12158980), (120, 11551031), (127, 10914360), (152, 9119235), (190, 7295388), (228, 6079490), (254, 5457180), (285, 4863592), (380, 3647694), (381, 3638120), (456, 3039745), (508, 2728590), (570, 2431796), (635, 2182872), (760, 1823847), (762, 1819060), (1016, 1364295), (1140, 1215898), (1270, 1091436), (1524, 909530), (1905, 727624), (2280, 607949), (2413, 574440), (2540, 545718), (3048, 454765), (3810, 363812), (4787, 289560), (4826, 287220), (5080, 272859), (7239, 191480), (7620, 181906), (9574, 144780), (9652, 143610), (12065, 114888), (14361, 96520), (14478, 95740), (15240, 90953), (19148, 72390), (19304, 71805), (23935, 57912), (24130, 57444), (28722, 48260), (28956, 47870), (36195, 38296)]