1286865720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17609}}^1$

素因数の和:17662

約数の個数: 192

約数和(自身を含む): 4944888000

約数和(自身を除く): 3658022280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 280, 290, 315, 348, 360, 406, 420, 435, 504, 522, 580, 609, 630, 696, 812, 840, 870, 1015, 1044, 1160, 1218, 1260, 1305, 1624, 1740, 1827, 2030, 2088, 2436, 2520, 2610, 3045, 3480, 3654, 4060, 4872, 5220, 6090, 7308, 8120, 9135, 10440, 12180, 14616, 17609, 18270, 24360, 35218, 36540, 52827, 70436, 73080, 88045, 105654, 123263, 140872, 158481, 176090, 211308, 246526, 264135, 316962, 352180, 369789, 422616, 493052, 510661, 528270, 616315, 633924, 704360, 739578, 792405, 986104, 1021322, 1056540, 1109367, 1232630, 1267848, 1479156, 1531983, 1584810, 1848945, 2042644, 2113080, 2218734, 2465260, 2553305, 2958312, 3063966, 3169620, 3574627, 3697890, 4085288, 4437468, 4595949, 4930520, 5106610, 5546835, 6127932, 6339240, 7149254, 7395780, 7659915, 8874936, 9191898, 10213220, 10723881, 11093670, 12255864, 14298508, 14791560, 15319830, 17873135, 18383796, 20426440, 21447762, 22187340, 22979745, 28597016, 30639660, 32171643, 35746270, 36767592, 42895524, 44374680, 45959490, 53619405, 61279320, 64343286, 71492540, 85791048, 91918980, 107238810, 128686572, 142985080, 160858215, 183837960, 214477620, 257373144, 321716430, 428955240, 643432860, 1286865720]

約数ペア:

[(1, 1286865720), (2, 643432860), (3, 428955240), (4, 321716430), (5, 257373144), (6, 214477620), (7, 183837960), (8, 160858215), (9, 142985080), (10, 128686572), (12, 107238810), (14, 91918980), (15, 85791048), (18, 71492540), (20, 64343286), (21, 61279320), (24, 53619405), (28, 45959490), (29, 44374680), (30, 42895524), (35, 36767592), (36, 35746270), (40, 32171643), (42, 30639660), (45, 28597016), (56, 22979745), (58, 22187340), (60, 21447762), (63, 20426440), (70, 18383796), (72, 17873135), (84, 15319830), (87, 14791560), (90, 14298508), (105, 12255864), (116, 11093670), (120, 10723881), (126, 10213220), (140, 9191898), (145, 8874936), (168, 7659915), (174, 7395780), (180, 7149254), (203, 6339240), (210, 6127932), (232, 5546835), (252, 5106610), (261, 4930520), (280, 4595949), (290, 4437468), (315, 4085288), (348, 3697890), (360, 3574627), (406, 3169620), (420, 3063966), (435, 2958312), (504, 2553305), (522, 2465260), (580, 2218734), (609, 2113080), (630, 2042644), (696, 1848945), (812, 1584810), (840, 1531983), (870, 1479156), (1015, 1267848), (1044, 1232630), (1160, 1109367), (1218, 1056540), (1260, 1021322), (1305, 986104), (1624, 792405), (1740, 739578), (1827, 704360), (2030, 633924), (2088, 616315), (2436, 528270), (2520, 510661), (2610, 493052), (3045, 422616), (3480, 369789), (3654, 352180), (4060, 316962), (4872, 264135), (5220, 246526), (6090, 211308), (7308, 176090), (8120, 158481), (9135, 140872), (10440, 123263), (12180, 105654), (14616, 88045), (17609, 73080), (18270, 70436), (24360, 52827), (35218, 36540)]