646268160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 2189859840

約数和(自身を除く): 1543591680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 64, 80, 89, 93, 96, 120, 122, 124, 128, 155, 160, 178, 183, 186, 192, 240, 244, 248, 256, 267, 305, 310, 320, 356, 366, 372, 384, 445, 465, 480, 488, 496, 534, 610, 620, 640, 712, 732, 744, 768, 890, 915, 930, 960, 976, 992, 1068, 1220, 1240, 1280, 1335, 1424, 1464, 1488, 1780, 1830, 1860, 1891, 1920, 1952, 1984, 2136, 2440, 2480, 2670, 2759, 2848, 2928, 2976, 3560, 3660, 3720, 3782, 3840, 3904, 3968, 4272, 4880, 4960, 5340, 5429, 5518, 5673, 5696, 5856, 5952, 7120, 7320, 7440, 7564, 7808, 7936, 8277, 8544, 9455, 9760, 9920, 10680, 10858, 11036, 11346, 11392, 11712, 11904, 13795, 14240, 14640, 14880, 15128, 15616, 16287, 16554, 17088, 18910, 19520, 19840, 21360, 21716, 22072, 22692, 22784, 23424, 23808, 27145, 27590, 28365, 28480, 29280, 29760, 30256, 32574, 33108, 34176, 37820, 39040, 39680, 41385, 42720, 43432, 44144, 45384, 46848, 54290, 55180, 56730, 56960, 58560, 59520, 60512, 65148, 66216, 68352, 75640, 78080, 81435, 82770, 85440, 86864, 88288, 90768, 108580, 110360, 113460, 113920, 117120, 119040, 121024, 130296, 132432, 151280, 162870, 165540, 168299, 170880, 173728, 176576, 181536, 217160, 220720, 226920, 234240, 242048, 260592, 264864, 302560, 325740, 331080, 336598, 341760, 347456, 353152, 363072, 434320, 441440, 453840, 484096, 504897, 521184, 529728, 605120, 651480, 662160, 673196, 694912, 706304, 726144, 841495, 868640, 882880, 907680, 1009794, 1042368, 1059456, 1210240, 1302960, 1324320, 1346392, 1389824, 1452288, 1682990, 1737280, 1765760, 1815360, 2019588, 2084736, 2118912, 2420480, 2524485, 2605920, 2648640, 2692784, 3365980, 3474560, 3531520, 3630720, 4039176, 4169472, 5048970, 5211840, 5297280, 5385568, 6731960, 6949120, 7261440, 8078352, 10097940, 10423680, 10594560, 10771136, 13463920, 16156704, 20195880, 20847360, 21542272, 26927840, 32313408, 40391760, 43084544, 53855680, 64626816, 80783520, 107711360, 129253632, 161567040, 215422720, 323134080, 646268160]

約数ペア:

[(1, 646268160), (2, 323134080), (3, 215422720), (4, 161567040), (5, 129253632), (6, 107711360), (8, 80783520), (10, 64626816), (12, 53855680), (15, 43084544), (16, 40391760), (20, 32313408), (24, 26927840), (30, 21542272), (31, 20847360), (32, 20195880), (40, 16156704), (48, 13463920), (60, 10771136), (61, 10594560), (62, 10423680), (64, 10097940), (80, 8078352), (89, 7261440), (93, 6949120), (96, 6731960), (120, 5385568), (122, 5297280), (124, 5211840), (128, 5048970), (155, 4169472), (160, 4039176), (178, 3630720), (183, 3531520), (186, 3474560), (192, 3365980), (240, 2692784), (244, 2648640), (248, 2605920), (256, 2524485), (267, 2420480), (305, 2118912), (310, 2084736), (320, 2019588), (356, 1815360), (366, 1765760), (372, 1737280), (384, 1682990), (445, 1452288), (465, 1389824), (480, 1346392), (488, 1324320), (496, 1302960), (534, 1210240), (610, 1059456), (620, 1042368), (640, 1009794), (712, 907680), (732, 882880), (744, 868640), (768, 841495), (890, 726144), (915, 706304), (930, 694912), (960, 673196), (976, 662160), (992, 651480), (1068, 605120), (1220, 529728), (1240, 521184), (1280, 504897), (1335, 484096), (1424, 453840), (1464, 441440), (1488, 434320), (1780, 363072), (1830, 353152), (1860, 347456), (1891, 341760), (1920, 336598), (1952, 331080), (1984, 325740), (2136, 302560), (2440, 264864), (2480, 260592), (2670, 242048), (2759, 234240), (2848, 226920), (2928, 220720), (2976, 217160), (3560, 181536), (3660, 176576), (3720, 173728), (3782, 170880), (3840, 168299), (3904, 165540), (3968, 162870), (4272, 151280), (4880, 132432), (4960, 130296), (5340, 121024), (5429, 119040), (5518, 117120), (5673, 113920), (5696, 113460), (5856, 110360), (5952, 108580), (7120, 90768), (7320, 88288), (7440, 86864), (7564, 85440), (7808, 82770), (7936, 81435), (8277, 78080), (8544, 75640), (9455, 68352), (9760, 66216), (9920, 65148), (10680, 60512), (10858, 59520), (11036, 58560), (11346, 56960), (11392, 56730), (11712, 55180), (11904, 54290), (13795, 46848), (14240, 45384), (14640, 44144), (14880, 43432), (15128, 42720), (15616, 41385), (16287, 39680), (16554, 39040), (17088, 37820), (18910, 34176), (19520, 33108), (19840, 32574), (21360, 30256), (21716, 29760), (22072, 29280), (22692, 28480), (22784, 28365), (23424, 27590), (23808, 27145)]