257387760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 320

約数和(自身を含む): 1049932800

約数和(自身を除く): 792545040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 108, 112, 116, 120, 126, 135, 140, 144, 145, 168, 174, 180, 189, 203, 210, 216, 232, 240, 252, 261, 270, 280, 290, 315, 336, 348, 360, 378, 406, 420, 432, 435, 464, 504, 522, 540, 560, 580, 587, 609, 630, 696, 720, 756, 783, 812, 840, 870, 945, 1008, 1015, 1044, 1080, 1160, 1174, 1218, 1260, 1305, 1392, 1512, 1566, 1624, 1680, 1740, 1761, 1827, 1890, 2030, 2088, 2160, 2320, 2348, 2436, 2520, 2610, 2935, 3024, 3045, 3132, 3248, 3480, 3522, 3654, 3780, 3915, 4060, 4109, 4176, 4696, 4872, 5040, 5220, 5283, 5481, 5870, 6090, 6264, 6960, 7044, 7308, 7560, 7830, 8120, 8218, 8805, 9135, 9392, 9744, 10440, 10566, 10962, 11740, 12180, 12327, 12528, 14088, 14616, 15120, 15660, 15849, 16240, 16436, 17023, 17610, 18270, 20545, 20880, 21132, 21924, 23480, 24360, 24654, 26415, 27405, 28176, 29232, 31320, 31698, 32872, 34046, 35220, 36540, 36981, 41090, 42264, 43848, 46960, 48720, 49308, 51069, 52830, 54810, 61635, 62640, 63396, 65744, 68092, 70440, 73080, 73962, 79245, 82180, 84528, 85115, 87696, 98616, 102138, 105660, 109620, 110943, 119161, 123270, 126792, 136184, 140880, 146160, 147924, 153207, 158490, 164360, 170230, 184905, 197232, 204276, 211320, 219240, 221886, 238322, 246540, 253584, 255345, 272368, 295848, 306414, 316980, 328720, 340460, 357483, 369810, 408552, 422640, 438480, 443772, 459621, 476644, 493080, 510690, 554715, 591696, 595805, 612828, 633960, 680920, 714966, 739620, 766035, 817104, 887544, 919242, 953288, 986160, 1021380, 1072449, 1109430, 1191610, 1225656, 1267920, 1361840, 1429932, 1479240, 1532070, 1775088, 1787415, 1838484, 1906576, 2042760, 2144898, 2218860, 2298105, 2383220, 2451312, 2859864, 2958480, 3064140, 3217347, 3574830, 3676968, 4085520, 4289796, 4437720, 4596210, 4766440, 5362245, 5719728, 6128280, 6434694, 7149660, 7353936, 8579592, 8875440, 9192420, 9532880, 10724490, 12256560, 12869388, 14299320, 16086735, 17159184, 18384840, 21448980, 25738776, 28598640, 32173470, 36769680, 42897960, 51477552, 64346940, 85795920, 128693880, 257387760]

約数ペア:

[(1, 257387760), (2, 128693880), (3, 85795920), (4, 64346940), (5, 51477552), (6, 42897960), (7, 36769680), (8, 32173470), (9, 28598640), (10, 25738776), (12, 21448980), (14, 18384840), (15, 17159184), (16, 16086735), (18, 14299320), (20, 12869388), (21, 12256560), (24, 10724490), (27, 9532880), (28, 9192420), (29, 8875440), (30, 8579592), (35, 7353936), (36, 7149660), (40, 6434694), (42, 6128280), (45, 5719728), (48, 5362245), (54, 4766440), (56, 4596210), (58, 4437720), (60, 4289796), (63, 4085520), (70, 3676968), (72, 3574830), (80, 3217347), (84, 3064140), (87, 2958480), (90, 2859864), (105, 2451312), (108, 2383220), (112, 2298105), (116, 2218860), (120, 2144898), (126, 2042760), (135, 1906576), (140, 1838484), (144, 1787415), (145, 1775088), (168, 1532070), (174, 1479240), (180, 1429932), (189, 1361840), (203, 1267920), (210, 1225656), (216, 1191610), (232, 1109430), (240, 1072449), (252, 1021380), (261, 986160), (270, 953288), (280, 919242), (290, 887544), (315, 817104), (336, 766035), (348, 739620), (360, 714966), (378, 680920), (406, 633960), (420, 612828), (432, 595805), (435, 591696), (464, 554715), (504, 510690), (522, 493080), (540, 476644), (560, 459621), (580, 443772), (587, 438480), (609, 422640), (630, 408552), (696, 369810), (720, 357483), (756, 340460), (783, 328720), (812, 316980), (840, 306414), (870, 295848), (945, 272368), (1008, 255345), (1015, 253584), (1044, 246540), (1080, 238322), (1160, 221886), (1174, 219240), (1218, 211320), (1260, 204276), (1305, 197232), (1392, 184905), (1512, 170230), (1566, 164360), (1624, 158490), (1680, 153207), (1740, 147924), (1761, 146160), (1827, 140880), (1890, 136184), (2030, 126792), (2088, 123270), (2160, 119161), (2320, 110943), (2348, 109620), (2436, 105660), (2520, 102138), (2610, 98616), (2935, 87696), (3024, 85115), (3045, 84528), (3132, 82180), (3248, 79245), (3480, 73962), (3522, 73080), (3654, 70440), (3780, 68092), (3915, 65744), (4060, 63396), (4109, 62640), (4176, 61635), (4696, 54810), (4872, 52830), (5040, 51069), (5220, 49308), (5283, 48720), (5481, 46960), (5870, 43848), (6090, 42264), (6264, 41090), (6960, 36981), (7044, 36540), (7308, 35220), (7560, 34046), (7830, 32872), (8120, 31698), (8218, 31320), (8805, 29232), (9135, 28176), (9392, 27405), (9744, 26415), (10440, 24654), (10566, 24360), (10962, 23480), (11740, 21924), (12180, 21132), (12327, 20880), (12528, 20545), (14088, 18270), (14616, 17610), (15120, 17023), (15660, 16436), (15849, 16240)]