255837960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 256

約数和(自身を含む): 998553600

約数和(自身を除く): 742715640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 168, 172, 180, 189, 210, 215, 216, 252, 258, 270, 280, 301, 315, 344, 360, 378, 387, 420, 430, 504, 516, 540, 602, 630, 645, 756, 774, 787, 840, 860, 903, 945, 1032, 1080, 1161, 1204, 1260, 1290, 1505, 1512, 1548, 1574, 1720, 1806, 1890, 1935, 2322, 2361, 2408, 2520, 2580, 2709, 3010, 3096, 3148, 3612, 3780, 3870, 3935, 4515, 4644, 4722, 5160, 5418, 5509, 5805, 6020, 6296, 7083, 7224, 7560, 7740, 7870, 8127, 9030, 9288, 9444, 10836, 11018, 11610, 11805, 12040, 13545, 14166, 15480, 15740, 16254, 16527, 18060, 18888, 21249, 21672, 22036, 23220, 23610, 27090, 27545, 28332, 31480, 32508, 33054, 33841, 35415, 36120, 40635, 42498, 44072, 46440, 47220, 49581, 54180, 55090, 56664, 65016, 66108, 67682, 70830, 81270, 82635, 84996, 94440, 99162, 101523, 106245, 108360, 110180, 132216, 135364, 141660, 148743, 162540, 165270, 169205, 169992, 198324, 203046, 212490, 220360, 236887, 247905, 270728, 283320, 297486, 304569, 325080, 330540, 338410, 396648, 406092, 424980, 473774, 495810, 507615, 594972, 609138, 661080, 676820, 710661, 743715, 812184, 849960, 913707, 947548, 991620, 1015230, 1184435, 1189944, 1218276, 1353640, 1421322, 1487430, 1522845, 1827414, 1895096, 1983240, 2030460, 2131983, 2368870, 2436552, 2842644, 2974860, 3045690, 3553305, 3654828, 4060920, 4263966, 4568535, 4737740, 5685288, 5949720, 6091380, 6395949, 7106610, 7309656, 8527932, 9137070, 9475480, 10659915, 12182760, 12791898, 14213220, 17055864, 18274140, 21319830, 25583796, 28426440, 31979745, 36548280, 42639660, 51167592, 63959490, 85279320, 127918980, 255837960]

約数ペア:

[(1, 255837960), (2, 127918980), (3, 85279320), (4, 63959490), (5, 51167592), (6, 42639660), (7, 36548280), (8, 31979745), (9, 28426440), (10, 25583796), (12, 21319830), (14, 18274140), (15, 17055864), (18, 14213220), (20, 12791898), (21, 12182760), (24, 10659915), (27, 9475480), (28, 9137070), (30, 8527932), (35, 7309656), (36, 7106610), (40, 6395949), (42, 6091380), (43, 5949720), (45, 5685288), (54, 4737740), (56, 4568535), (60, 4263966), (63, 4060920), (70, 3654828), (72, 3553305), (84, 3045690), (86, 2974860), (90, 2842644), (105, 2436552), (108, 2368870), (120, 2131983), (126, 2030460), (129, 1983240), (135, 1895096), (140, 1827414), (168, 1522845), (172, 1487430), (180, 1421322), (189, 1353640), (210, 1218276), (215, 1189944), (216, 1184435), (252, 1015230), (258, 991620), (270, 947548), (280, 913707), (301, 849960), (315, 812184), (344, 743715), (360, 710661), (378, 676820), (387, 661080), (420, 609138), (430, 594972), (504, 507615), (516, 495810), (540, 473774), (602, 424980), (630, 406092), (645, 396648), (756, 338410), (774, 330540), (787, 325080), (840, 304569), (860, 297486), (903, 283320), (945, 270728), (1032, 247905), (1080, 236887), (1161, 220360), (1204, 212490), (1260, 203046), (1290, 198324), (1505, 169992), (1512, 169205), (1548, 165270), (1574, 162540), (1720, 148743), (1806, 141660), (1890, 135364), (1935, 132216), (2322, 110180), (2361, 108360), (2408, 106245), (2520, 101523), (2580, 99162), (2709, 94440), (3010, 84996), (3096, 82635), (3148, 81270), (3612, 70830), (3780, 67682), (3870, 66108), (3935, 65016), (4515, 56664), (4644, 55090), (4722, 54180), (5160, 49581), (5418, 47220), (5509, 46440), (5805, 44072), (6020, 42498), (6296, 40635), (7083, 36120), (7224, 35415), (7560, 33841), (7740, 33054), (7870, 32508), (8127, 31480), (9030, 28332), (9288, 27545), (9444, 27090), (10836, 23610), (11018, 23220), (11610, 22036), (11805, 21672), (12040, 21249), (13545, 18888), (14166, 18060), (15480, 16527), (15740, 16254)]