508768000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1267

約数の個数: 144

約数和(自身を含む): 1366013376

約数和(自身を除く): 857245376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 256, 260, 320, 325, 400, 416, 500, 520, 640, 650, 800, 832, 1000, 1040, 1223, 1280, 1300, 1600, 1625, 1664, 2000, 2080, 2446, 2600, 3200, 3250, 3328, 4000, 4160, 4892, 5200, 6115, 6400, 6500, 8000, 8320, 9784, 10400, 12230, 13000, 15899, 16000, 16640, 19568, 20800, 24460, 26000, 30575, 31798, 32000, 39136, 41600, 48920, 52000, 61150, 63596, 78272, 79495, 83200, 97840, 104000, 122300, 127192, 152875, 156544, 158990, 195680, 208000, 244600, 254384, 305750, 313088, 317980, 391360, 397475, 416000, 489200, 508768, 611500, 635960, 782720, 794950, 978400, 1017536, 1223000, 1271920, 1565440, 1589900, 1956800, 1987375, 2035072, 2446000, 2543840, 3179800, 3913600, 3974750, 4070144, 4892000, 5087680, 6359600, 7827200, 7949500, 9784000, 10175360, 12719200, 15899000, 19568000, 20350720, 25438400, 31798000, 39136000, 50876800, 63596000, 101753600, 127192000, 254384000, 508768000]

約数ペア:

[(1, 508768000), (2, 254384000), (4, 127192000), (5, 101753600), (8, 63596000), (10, 50876800), (13, 39136000), (16, 31798000), (20, 25438400), (25, 20350720), (26, 19568000), (32, 15899000), (40, 12719200), (50, 10175360), (52, 9784000), (64, 7949500), (65, 7827200), (80, 6359600), (100, 5087680), (104, 4892000), (125, 4070144), (128, 3974750), (130, 3913600), (160, 3179800), (200, 2543840), (208, 2446000), (250, 2035072), (256, 1987375), (260, 1956800), (320, 1589900), (325, 1565440), (400, 1271920), (416, 1223000), (500, 1017536), (520, 978400), (640, 794950), (650, 782720), (800, 635960), (832, 611500), (1000, 508768), (1040, 489200), (1223, 416000), (1280, 397475), (1300, 391360), (1600, 317980), (1625, 313088), (1664, 305750), (2000, 254384), (2080, 244600), (2446, 208000), (2600, 195680), (3200, 158990), (3250, 156544), (3328, 152875), (4000, 127192), (4160, 122300), (4892, 104000), (5200, 97840), (6115, 83200), (6400, 79495), (6500, 78272), (8000, 63596), (8320, 61150), (9784, 52000), (10400, 48920), (12230, 41600), (13000, 39136), (15899, 32000), (16000, 31798), (16640, 30575), (19568, 26000), (20800, 24460)]