280755840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 256

約数和(自身を含む): 951782400

約数和(自身を除く): 671026560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 89, 93, 96, 106, 120, 124, 128, 155, 159, 160, 178, 186, 192, 212, 240, 248, 265, 267, 310, 318, 320, 356, 372, 384, 424, 445, 465, 480, 496, 530, 534, 620, 636, 640, 712, 744, 795, 848, 890, 930, 960, 992, 1060, 1068, 1240, 1272, 1335, 1424, 1488, 1590, 1643, 1696, 1780, 1860, 1920, 1984, 2120, 2136, 2480, 2544, 2670, 2759, 2848, 2976, 3180, 3286, 3392, 3560, 3720, 3968, 4240, 4272, 4717, 4929, 4960, 5088, 5340, 5518, 5696, 5952, 6360, 6572, 6784, 7120, 7440, 8215, 8277, 8480, 8544, 9434, 9858, 9920, 10176, 10680, 11036, 11392, 11904, 12720, 13144, 13795, 14151, 14240, 14880, 16430, 16554, 16960, 17088, 18868, 19716, 19840, 20352, 21360, 22072, 23585, 24645, 25440, 26288, 27590, 28302, 28480, 29760, 32860, 33108, 33920, 34176, 37736, 39432, 41385, 42720, 44144, 47170, 49290, 50880, 52576, 55180, 56604, 56960, 59520, 65720, 66216, 70755, 75472, 78864, 82770, 85440, 88288, 94340, 98580, 101760, 105152, 110360, 113208, 131440, 132432, 141510, 146227, 150944, 157728, 165540, 170880, 176576, 188680, 197160, 210304, 220720, 226416, 262880, 264864, 283020, 292454, 301888, 315456, 331080, 353152, 377360, 394320, 438681, 441440, 452832, 525760, 529728, 566040, 584908, 603776, 630912, 662160, 731135, 754720, 788640, 877362, 882880, 905664, 1051520, 1059456, 1132080, 1169816, 1324320, 1462270, 1509440, 1577280, 1754724, 1765760, 1811328, 2193405, 2264160, 2339632, 2648640, 2924540, 3018880, 3154560, 3509448, 4386810, 4528320, 4679264, 5297280, 5849080, 7018896, 8773620, 9056640, 9358528, 11698160, 14037792, 17547240, 18717056, 23396320, 28075584, 35094480, 46792640, 56151168, 70188960, 93585280, 140377920, 280755840]

約数ペア:

[(1, 280755840), (2, 140377920), (3, 93585280), (4, 70188960), (5, 56151168), (6, 46792640), (8, 35094480), (10, 28075584), (12, 23396320), (15, 18717056), (16, 17547240), (20, 14037792), (24, 11698160), (30, 9358528), (31, 9056640), (32, 8773620), (40, 7018896), (48, 5849080), (53, 5297280), (60, 4679264), (62, 4528320), (64, 4386810), (80, 3509448), (89, 3154560), (93, 3018880), (96, 2924540), (106, 2648640), (120, 2339632), (124, 2264160), (128, 2193405), (155, 1811328), (159, 1765760), (160, 1754724), (178, 1577280), (186, 1509440), (192, 1462270), (212, 1324320), (240, 1169816), (248, 1132080), (265, 1059456), (267, 1051520), (310, 905664), (318, 882880), (320, 877362), (356, 788640), (372, 754720), (384, 731135), (424, 662160), (445, 630912), (465, 603776), (480, 584908), (496, 566040), (530, 529728), (534, 525760), (620, 452832), (636, 441440), (640, 438681), (712, 394320), (744, 377360), (795, 353152), (848, 331080), (890, 315456), (930, 301888), (960, 292454), (992, 283020), (1060, 264864), (1068, 262880), (1240, 226416), (1272, 220720), (1335, 210304), (1424, 197160), (1488, 188680), (1590, 176576), (1643, 170880), (1696, 165540), (1780, 157728), (1860, 150944), (1920, 146227), (1984, 141510), (2120, 132432), (2136, 131440), (2480, 113208), (2544, 110360), (2670, 105152), (2759, 101760), (2848, 98580), (2976, 94340), (3180, 88288), (3286, 85440), (3392, 82770), (3560, 78864), (3720, 75472), (3968, 70755), (4240, 66216), (4272, 65720), (4717, 59520), (4929, 56960), (4960, 56604), (5088, 55180), (5340, 52576), (5518, 50880), (5696, 49290), (5952, 47170), (6360, 44144), (6572, 42720), (6784, 41385), (7120, 39432), (7440, 37736), (8215, 34176), (8277, 33920), (8480, 33108), (8544, 32860), (9434, 29760), (9858, 28480), (9920, 28302), (10176, 27590), (10680, 26288), (11036, 25440), (11392, 24645), (11904, 23585), (12720, 22072), (13144, 21360), (13795, 20352), (14151, 19840), (14240, 19716), (14880, 18868), (16430, 17088), (16554, 16960)]