505201920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 1748355840

約数和(自身を除く): 1243153920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 71, 80, 85, 96, 102, 109, 120, 128, 136, 142, 160, 170, 192, 204, 213, 218, 240, 255, 256, 272, 284, 320, 327, 340, 355, 384, 408, 426, 436, 480, 510, 544, 545, 568, 640, 654, 680, 710, 768, 816, 852, 872, 960, 1020, 1065, 1088, 1090, 1136, 1207, 1280, 1308, 1360, 1420, 1632, 1635, 1704, 1744, 1853, 1920, 2040, 2130, 2176, 2180, 2272, 2414, 2616, 2720, 2840, 3264, 3270, 3408, 3488, 3621, 3706, 3840, 4080, 4260, 4352, 4360, 4544, 4828, 5232, 5440, 5559, 5680, 6035, 6528, 6540, 6816, 6976, 7242, 7412, 7739, 8160, 8520, 8720, 9088, 9265, 9656, 10464, 10880, 11118, 11360, 12070, 13056, 13080, 13632, 13952, 14484, 14824, 15478, 16320, 17040, 17440, 18105, 18176, 18530, 19312, 20928, 21760, 22236, 22720, 23217, 24140, 26160, 27264, 27795, 27904, 28968, 29648, 30956, 32640, 34080, 34880, 36210, 37060, 38624, 38695, 41856, 44472, 45440, 46434, 48280, 52320, 54528, 55590, 57936, 59296, 61912, 65280, 68160, 69760, 72420, 74120, 77248, 77390, 83712, 88944, 90880, 92868, 96560, 104640, 111180, 115872, 116085, 118592, 123824, 131563, 136320, 139520, 144840, 148240, 154496, 154780, 177888, 185736, 193120, 209280, 222360, 231744, 232170, 237184, 247648, 263126, 272640, 289680, 296480, 308992, 309560, 355776, 371472, 386240, 394689, 418560, 444720, 463488, 464340, 474368, 495296, 526252, 579360, 592960, 619120, 657815, 711552, 742944, 772480, 789378, 889440, 926976, 928680, 990592, 1052504, 1158720, 1185920, 1238240, 1315630, 1423104, 1485888, 1544960, 1578756, 1778880, 1857360, 1973445, 1981184, 2105008, 2317440, 2371840, 2476480, 2631260, 2971776, 3157512, 3557760, 3714720, 3946890, 4210016, 4634880, 4952960, 5262520, 5943552, 6315024, 7115520, 7429440, 7893780, 8420032, 9905920, 10525040, 12630048, 14858880, 15787560, 16840064, 21050080, 25260096, 29717760, 31575120, 33680128, 42100160, 50520192, 63150240, 84200320, 101040384, 126300480, 168400640, 252600960, 505201920]

約数ペア:

[(1, 505201920), (2, 252600960), (3, 168400640), (4, 126300480), (5, 101040384), (6, 84200320), (8, 63150240), (10, 50520192), (12, 42100160), (15, 33680128), (16, 31575120), (17, 29717760), (20, 25260096), (24, 21050080), (30, 16840064), (32, 15787560), (34, 14858880), (40, 12630048), (48, 10525040), (51, 9905920), (60, 8420032), (64, 7893780), (68, 7429440), (71, 7115520), (80, 6315024), (85, 5943552), (96, 5262520), (102, 4952960), (109, 4634880), (120, 4210016), (128, 3946890), (136, 3714720), (142, 3557760), (160, 3157512), (170, 2971776), (192, 2631260), (204, 2476480), (213, 2371840), (218, 2317440), (240, 2105008), (255, 1981184), (256, 1973445), (272, 1857360), (284, 1778880), (320, 1578756), (327, 1544960), (340, 1485888), (355, 1423104), (384, 1315630), (408, 1238240), (426, 1185920), (436, 1158720), (480, 1052504), (510, 990592), (544, 928680), (545, 926976), (568, 889440), (640, 789378), (654, 772480), (680, 742944), (710, 711552), (768, 657815), (816, 619120), (852, 592960), (872, 579360), (960, 526252), (1020, 495296), (1065, 474368), (1088, 464340), (1090, 463488), (1136, 444720), (1207, 418560), (1280, 394689), (1308, 386240), (1360, 371472), (1420, 355776), (1632, 309560), (1635, 308992), (1704, 296480), (1744, 289680), (1853, 272640), (1920, 263126), (2040, 247648), (2130, 237184), (2176, 232170), (2180, 231744), (2272, 222360), (2414, 209280), (2616, 193120), (2720, 185736), (2840, 177888), (3264, 154780), (3270, 154496), (3408, 148240), (3488, 144840), (3621, 139520), (3706, 136320), (3840, 131563), (4080, 123824), (4260, 118592), (4352, 116085), (4360, 115872), (4544, 111180), (4828, 104640), (5232, 96560), (5440, 92868), (5559, 90880), (5680, 88944), (6035, 83712), (6528, 77390), (6540, 77248), (6816, 74120), (6976, 72420), (7242, 69760), (7412, 68160), (7739, 65280), (8160, 61912), (8520, 59296), (8720, 57936), (9088, 55590), (9265, 54528), (9656, 52320), (10464, 48280), (10880, 46434), (11118, 45440), (11360, 44472), (12070, 41856), (13056, 38695), (13080, 38624), (13632, 37060), (13952, 36210), (14484, 34880), (14824, 34080), (15478, 32640), (16320, 30956), (17040, 29648), (17440, 28968), (18105, 27904), (18176, 27795), (18530, 27264), (19312, 26160), (20928, 24140), (21760, 23217), (22236, 22720)]