255437280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8447}}^1$

素因数の和:8478

約数の個数: 192

約数和(自身を含む): 1021870080

約数和(自身を除く): 766432800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8447, 10080, 15120, 16894, 25341, 30240, 33788, 42235, 50682, 59129, 67576, 76023, 84470, 101364, 118258, 126705, 135152, 152046, 168940, 177387, 202728, 228069, 236516, 253410, 270304, 295645, 304092, 337880, 354774, 380115, 405456, 456138, 473032, 506820, 532161, 591290, 608184, 675760, 709548, 760230, 810912, 886935, 912276, 946064, 1013640, 1064322, 1140345, 1182580, 1216368, 1351520, 1419096, 1520460, 1596483, 1773870, 1824552, 1892128, 2027280, 2128644, 2280690, 2365160, 2432736, 2660805, 2838192, 3040920, 3192966, 3547740, 3649104, 4054560, 4257288, 4561380, 4730320, 5321610, 5676384, 6081840, 6385932, 7095480, 7298208, 7982415, 8514576, 9122760, 9460640, 10643220, 12163680, 12771864, 14190960, 15964830, 17029152, 18245520, 21286440, 25543728, 28381920, 31929660, 36491040, 42572880, 51087456, 63859320, 85145760, 127718640, 255437280]

約数ペア:

[(1, 255437280), (2, 127718640), (3, 85145760), (4, 63859320), (5, 51087456), (6, 42572880), (7, 36491040), (8, 31929660), (9, 28381920), (10, 25543728), (12, 21286440), (14, 18245520), (15, 17029152), (16, 15964830), (18, 14190960), (20, 12771864), (21, 12163680), (24, 10643220), (27, 9460640), (28, 9122760), (30, 8514576), (32, 7982415), (35, 7298208), (36, 7095480), (40, 6385932), (42, 6081840), (45, 5676384), (48, 5321610), (54, 4730320), (56, 4561380), (60, 4257288), (63, 4054560), (70, 3649104), (72, 3547740), (80, 3192966), (84, 3040920), (90, 2838192), (96, 2660805), (105, 2432736), (108, 2365160), (112, 2280690), (120, 2128644), (126, 2027280), (135, 1892128), (140, 1824552), (144, 1773870), (160, 1596483), (168, 1520460), (180, 1419096), (189, 1351520), (210, 1216368), (216, 1182580), (224, 1140345), (240, 1064322), (252, 1013640), (270, 946064), (280, 912276), (288, 886935), (315, 810912), (336, 760230), (360, 709548), (378, 675760), (420, 608184), (432, 591290), (480, 532161), (504, 506820), (540, 473032), (560, 456138), (630, 405456), (672, 380115), (720, 354774), (756, 337880), (840, 304092), (864, 295645), (945, 270304), (1008, 253410), (1080, 236516), (1120, 228069), (1260, 202728), (1440, 177387), (1512, 168940), (1680, 152046), (1890, 135152), (2016, 126705), (2160, 118258), (2520, 101364), (3024, 84470), (3360, 76023), (3780, 67576), (4320, 59129), (5040, 50682), (6048, 42235), (7560, 33788), (8447, 30240), (10080, 25341), (15120, 16894)]