280860000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 240

約数和(自身を含む): 957293568

約数和(自身を除く): 676433568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 75, 80, 93, 96, 100, 120, 124, 125, 150, 151, 155, 160, 186, 200, 240, 248, 250, 300, 302, 310, 372, 375, 400, 453, 465, 480, 496, 500, 600, 604, 620, 625, 744, 750, 755, 775, 800, 906, 930, 992, 1000, 1200, 1208, 1240, 1250, 1488, 1500, 1510, 1550, 1812, 1860, 1875, 2000, 2265, 2325, 2400, 2416, 2480, 2500, 2976, 3000, 3020, 3100, 3624, 3720, 3750, 3775, 3875, 4000, 4530, 4650, 4681, 4832, 4960, 5000, 6000, 6040, 6200, 7248, 7440, 7500, 7550, 7750, 9060, 9300, 9362, 10000, 11325, 11625, 12000, 12080, 12400, 14043, 14496, 14880, 15000, 15100, 15500, 18120, 18600, 18724, 18875, 19375, 20000, 22650, 23250, 23405, 24160, 24800, 28086, 30000, 30200, 31000, 36240, 37200, 37448, 37750, 38750, 45300, 46500, 46810, 56172, 56625, 58125, 60000, 60400, 62000, 70215, 72480, 74400, 74896, 75500, 77500, 90600, 93000, 93620, 94375, 112344, 113250, 116250, 117025, 120800, 124000, 140430, 149792, 151000, 155000, 181200, 186000, 187240, 188750, 224688, 226500, 232500, 234050, 280860, 283125, 302000, 310000, 351075, 362400, 372000, 374480, 377500, 449376, 453000, 465000, 468100, 561720, 566250, 585125, 604000, 620000, 702150, 748960, 755000, 906000, 930000, 936200, 1123440, 1132500, 1170250, 1404300, 1510000, 1755375, 1812000, 1860000, 1872400, 2246880, 2265000, 2340500, 2808600, 2925625, 3020000, 3510750, 3744800, 4530000, 4681000, 5617200, 5851250, 7021500, 8776875, 9060000, 9362000, 11234400, 11702500, 14043000, 17553750, 18724000, 23405000, 28086000, 35107500, 46810000, 56172000, 70215000, 93620000, 140430000, 280860000]

約数ペア:

[(1, 280860000), (2, 140430000), (3, 93620000), (4, 70215000), (5, 56172000), (6, 46810000), (8, 35107500), (10, 28086000), (12, 23405000), (15, 18724000), (16, 17553750), (20, 14043000), (24, 11702500), (25, 11234400), (30, 9362000), (31, 9060000), (32, 8776875), (40, 7021500), (48, 5851250), (50, 5617200), (60, 4681000), (62, 4530000), (75, 3744800), (80, 3510750), (93, 3020000), (96, 2925625), (100, 2808600), (120, 2340500), (124, 2265000), (125, 2246880), (150, 1872400), (151, 1860000), (155, 1812000), (160, 1755375), (186, 1510000), (200, 1404300), (240, 1170250), (248, 1132500), (250, 1123440), (300, 936200), (302, 930000), (310, 906000), (372, 755000), (375, 748960), (400, 702150), (453, 620000), (465, 604000), (480, 585125), (496, 566250), (500, 561720), (600, 468100), (604, 465000), (620, 453000), (625, 449376), (744, 377500), (750, 374480), (755, 372000), (775, 362400), (800, 351075), (906, 310000), (930, 302000), (992, 283125), (1000, 280860), (1200, 234050), (1208, 232500), (1240, 226500), (1250, 224688), (1488, 188750), (1500, 187240), (1510, 186000), (1550, 181200), (1812, 155000), (1860, 151000), (1875, 149792), (2000, 140430), (2265, 124000), (2325, 120800), (2400, 117025), (2416, 116250), (2480, 113250), (2500, 112344), (2976, 94375), (3000, 93620), (3020, 93000), (3100, 90600), (3624, 77500), (3720, 75500), (3750, 74896), (3775, 74400), (3875, 72480), (4000, 70215), (4530, 62000), (4650, 60400), (4681, 60000), (4832, 58125), (4960, 56625), (5000, 56172), (6000, 46810), (6040, 46500), (6200, 45300), (7248, 38750), (7440, 37750), (7500, 37448), (7550, 37200), (7750, 36240), (9060, 31000), (9300, 30200), (9362, 30000), (10000, 28086), (11325, 24800), (11625, 24160), (12000, 23405), (12080, 23250), (12400, 22650), (14043, 20000), (14496, 19375), (14880, 18875), (15000, 18724), (15100, 18600), (15500, 18120)]