208368720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13781}}^1$

素因数の和:13810

約数の個数: 160

約数和(自身を含む): 820304640

約数和(自身を除く): 611935920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 13781, 15120, 27562, 41343, 55124, 68905, 82686, 96467, 110248, 124029, 137810, 165372, 192934, 206715, 220496, 248058, 275620, 289401, 330744, 372087, 385868, 413430, 482335, 496116, 551240, 578802, 620145, 661488, 744174, 771736, 826860, 868203, 964670, 992232, 1102480, 1157604, 1240290, 1447005, 1488348, 1543472, 1653720, 1736406, 1860435, 1929340, 1984464, 2315208, 2480580, 2604609, 2894010, 2976696, 3307440, 3472812, 3720870, 3858680, 4341015, 4630416, 4961160, 5209218, 5788020, 5953392, 6945624, 7441740, 7717360, 8682030, 9922320, 10418436, 11576040, 13023045, 13891248, 14883480, 17364060, 20836872, 23152080, 26046090, 29766960, 34728120, 41673744, 52092180, 69456240, 104184360, 208368720]

約数ペア:

[(1, 208368720), (2, 104184360), (3, 69456240), (4, 52092180), (5, 41673744), (6, 34728120), (7, 29766960), (8, 26046090), (9, 23152080), (10, 20836872), (12, 17364060), (14, 14883480), (15, 13891248), (16, 13023045), (18, 11576040), (20, 10418436), (21, 9922320), (24, 8682030), (27, 7717360), (28, 7441740), (30, 6945624), (35, 5953392), (36, 5788020), (40, 5209218), (42, 4961160), (45, 4630416), (48, 4341015), (54, 3858680), (56, 3720870), (60, 3472812), (63, 3307440), (70, 2976696), (72, 2894010), (80, 2604609), (84, 2480580), (90, 2315208), (105, 1984464), (108, 1929340), (112, 1860435), (120, 1736406), (126, 1653720), (135, 1543472), (140, 1488348), (144, 1447005), (168, 1240290), (180, 1157604), (189, 1102480), (210, 992232), (216, 964670), (240, 868203), (252, 826860), (270, 771736), (280, 744174), (315, 661488), (336, 620145), (360, 578802), (378, 551240), (420, 496116), (432, 482335), (504, 413430), (540, 385868), (560, 372087), (630, 330744), (720, 289401), (756, 275620), (840, 248058), (945, 220496), (1008, 206715), (1080, 192934), (1260, 165372), (1512, 137810), (1680, 124029), (1890, 110248), (2160, 96467), (2520, 82686), (3024, 68905), (3780, 55124), (5040, 41343), (7560, 27562), (13781, 15120)]