280815000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 890902320

約数和(自身を除く): 610087320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 97, 100, 120, 125, 150, 193, 194, 200, 250, 291, 300, 375, 386, 388, 485, 500, 579, 582, 600, 625, 750, 772, 776, 965, 970, 1000, 1158, 1164, 1250, 1455, 1500, 1544, 1875, 1930, 1940, 2316, 2328, 2425, 2500, 2895, 2910, 3000, 3750, 3860, 3880, 4632, 4825, 4850, 5000, 5790, 5820, 7275, 7500, 7720, 9650, 9700, 11580, 11640, 12125, 14475, 14550, 15000, 18721, 19300, 19400, 23160, 24125, 24250, 28950, 29100, 36375, 37442, 38600, 48250, 48500, 56163, 57900, 58200, 60625, 72375, 72750, 74884, 93605, 96500, 97000, 112326, 115800, 120625, 121250, 144750, 145500, 149768, 181875, 187210, 193000, 224652, 241250, 242500, 280815, 289500, 291000, 361875, 363750, 374420, 449304, 468025, 482500, 485000, 561630, 579000, 723750, 727500, 748840, 936050, 965000, 1123260, 1404075, 1447500, 1455000, 1872100, 2246520, 2340125, 2808150, 2895000, 3744200, 4680250, 5616300, 7020375, 9360500, 11232600, 11700625, 14040750, 18721000, 23401250, 28081500, 35101875, 46802500, 56163000, 70203750, 93605000, 140407500, 280815000]

約数ペア:

[(1, 280815000), (2, 140407500), (3, 93605000), (4, 70203750), (5, 56163000), (6, 46802500), (8, 35101875), (10, 28081500), (12, 23401250), (15, 18721000), (20, 14040750), (24, 11700625), (25, 11232600), (30, 9360500), (40, 7020375), (50, 5616300), (60, 4680250), (75, 3744200), (97, 2895000), (100, 2808150), (120, 2340125), (125, 2246520), (150, 1872100), (193, 1455000), (194, 1447500), (200, 1404075), (250, 1123260), (291, 965000), (300, 936050), (375, 748840), (386, 727500), (388, 723750), (485, 579000), (500, 561630), (579, 485000), (582, 482500), (600, 468025), (625, 449304), (750, 374420), (772, 363750), (776, 361875), (965, 291000), (970, 289500), (1000, 280815), (1158, 242500), (1164, 241250), (1250, 224652), (1455, 193000), (1500, 187210), (1544, 181875), (1875, 149768), (1930, 145500), (1940, 144750), (2316, 121250), (2328, 120625), (2425, 115800), (2500, 112326), (2895, 97000), (2910, 96500), (3000, 93605), (3750, 74884), (3860, 72750), (3880, 72375), (4632, 60625), (4825, 58200), (4850, 57900), (5000, 56163), (5790, 48500), (5820, 48250), (7275, 38600), (7500, 37442), (7720, 36375), (9650, 29100), (9700, 28950), (11580, 24250), (11640, 24125), (12125, 23160), (14475, 19400), (14550, 19300), (15000, 18721)]