205121280

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:631

約数の個数: 288

約数和(自身を含む): 807657984

約数和(自身を除く): 602536704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 520, 546, 560, 587, 624, 640, 672, 728, 768, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1174, 1248, 1280, 1344, 1365, 1456, 1560, 1664, 1680, 1761, 1792, 1820, 1920, 2080, 2184, 2240, 2348, 2496, 2688, 2730, 2912, 2935, 3120, 3328, 3360, 3522, 3640, 3840, 4109, 4160, 4368, 4480, 4696, 4992, 5376, 5460, 5824, 5870, 6240, 6720, 7044, 7280, 7631, 8218, 8320, 8736, 8805, 8960, 9392, 9984, 10920, 11648, 11740, 12327, 12480, 13440, 14088, 14560, 15262, 16436, 16640, 17472, 17610, 18784, 20545, 21840, 22893, 23296, 23480, 24654, 24960, 26880, 28176, 29120, 30524, 32872, 34944, 35220, 37568, 38155, 41090, 43680, 45786, 46960, 49308, 49920, 53417, 56352, 58240, 61048, 61635, 65744, 69888, 70440, 75136, 76310, 82180, 87360, 91572, 93920, 98616, 106834, 112704, 114465, 116480, 122096, 123270, 131488, 140880, 150272, 152620, 160251, 164360, 174720, 183144, 187840, 197232, 213668, 225408, 228930, 244192, 246540, 262976, 267085, 281760, 305240, 320502, 328720, 349440, 366288, 375680, 394464, 427336, 450816, 457860, 488384, 493080, 525952, 534170, 563520, 610480, 641004, 657440, 732576, 751360, 788928, 801255, 854672, 915720, 976768, 986160, 1051904, 1068340, 1127040, 1220960, 1282008, 1314880, 1465152, 1577856, 1602510, 1709344, 1831440, 1953536, 1972320, 2136680, 2254080, 2441920, 2564016, 2629760, 2930304, 3155712, 3205020, 3418688, 3662880, 3944640, 4273360, 4883840, 5128032, 5259520, 5860608, 6410040, 6837376, 7325760, 7889280, 8546720, 9767680, 10256064, 12820080, 13674752, 14651520, 15778560, 17093440, 20512128, 25640160, 29303040, 34186880, 41024256, 51280320, 68373760, 102560640, 205121280]

約数ペア:

[(1, 205121280), (2, 102560640), (3, 68373760), (4, 51280320), (5, 41024256), (6, 34186880), (7, 29303040), (8, 25640160), (10, 20512128), (12, 17093440), (13, 15778560), (14, 14651520), (15, 13674752), (16, 12820080), (20, 10256064), (21, 9767680), (24, 8546720), (26, 7889280), (28, 7325760), (30, 6837376), (32, 6410040), (35, 5860608), (39, 5259520), (40, 5128032), (42, 4883840), (48, 4273360), (52, 3944640), (56, 3662880), (60, 3418688), (64, 3205020), (65, 3155712), (70, 2930304), (78, 2629760), (80, 2564016), (84, 2441920), (91, 2254080), (96, 2136680), (104, 1972320), (105, 1953536), (112, 1831440), (120, 1709344), (128, 1602510), (130, 1577856), (140, 1465152), (156, 1314880), (160, 1282008), (168, 1220960), (182, 1127040), (192, 1068340), (195, 1051904), (208, 986160), (210, 976768), (224, 915720), (240, 854672), (256, 801255), (260, 788928), (273, 751360), (280, 732576), (312, 657440), (320, 641004), (336, 610480), (364, 563520), (384, 534170), (390, 525952), (416, 493080), (420, 488384), (448, 457860), (455, 450816), (480, 427336), (520, 394464), (546, 375680), (560, 366288), (587, 349440), (624, 328720), (640, 320502), (672, 305240), (728, 281760), (768, 267085), (780, 262976), (832, 246540), (840, 244192), (896, 228930), (910, 225408), (960, 213668), (1040, 197232), (1092, 187840), (1120, 183144), (1174, 174720), (1248, 164360), (1280, 160251), (1344, 152620), (1365, 150272), (1456, 140880), (1560, 131488), (1664, 123270), (1680, 122096), (1761, 116480), (1792, 114465), (1820, 112704), (1920, 106834), (2080, 98616), (2184, 93920), (2240, 91572), (2348, 87360), (2496, 82180), (2688, 76310), (2730, 75136), (2912, 70440), (2935, 69888), (3120, 65744), (3328, 61635), (3360, 61048), (3522, 58240), (3640, 56352), (3840, 53417), (4109, 49920), (4160, 49308), (4368, 46960), (4480, 45786), (4696, 43680), (4992, 41090), (5376, 38155), (5460, 37568), (5824, 35220), (5870, 34944), (6240, 32872), (6720, 30524), (7044, 29120), (7280, 28176), (7631, 26880), (8218, 24960), (8320, 24654), (8736, 23480), (8805, 23296), (8960, 22893), (9392, 21840), (9984, 20545), (10920, 18784), (11648, 17610), (11740, 17472), (12327, 16640), (12480, 16436), (13440, 15262), (14088, 14560)]