628928000

素因数分解:

$2^9\times 5^3\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 1623967488

約数和(自身を除く): 995039488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 317, 320, 400, 496, 500, 512, 620, 634, 640, 775, 800, 992, 1000, 1240, 1268, 1280, 1550, 1585, 1600, 1984, 2000, 2480, 2536, 2560, 3100, 3170, 3200, 3875, 3968, 4000, 4960, 5072, 6200, 6340, 6400, 7750, 7925, 7936, 8000, 9827, 9920, 10144, 12400, 12680, 12800, 15500, 15850, 15872, 16000, 19654, 19840, 20288, 24800, 25360, 31000, 31700, 32000, 39308, 39625, 39680, 40576, 49135, 49600, 50720, 62000, 63400, 64000, 78616, 79250, 79360, 81152, 98270, 99200, 101440, 124000, 126800, 157232, 158500, 162304, 196540, 198400, 202880, 245675, 248000, 253600, 314464, 317000, 393080, 396800, 405760, 491350, 496000, 507200, 628928, 634000, 786160, 811520, 982700, 992000, 1014400, 1228375, 1257856, 1268000, 1572320, 1965400, 1984000, 2028800, 2456750, 2515712, 2536000, 3144640, 3930800, 4057600, 4913500, 5031424, 5072000, 6289280, 7861600, 9827000, 10144000, 12578560, 15723200, 19654000, 20288000, 25157120, 31446400, 39308000, 62892800, 78616000, 125785600, 157232000, 314464000, 628928000]

約数ペア:

[(1, 628928000), (2, 314464000), (4, 157232000), (5, 125785600), (8, 78616000), (10, 62892800), (16, 39308000), (20, 31446400), (25, 25157120), (31, 20288000), (32, 19654000), (40, 15723200), (50, 12578560), (62, 10144000), (64, 9827000), (80, 7861600), (100, 6289280), (124, 5072000), (125, 5031424), (128, 4913500), (155, 4057600), (160, 3930800), (200, 3144640), (248, 2536000), (250, 2515712), (256, 2456750), (310, 2028800), (317, 1984000), (320, 1965400), (400, 1572320), (496, 1268000), (500, 1257856), (512, 1228375), (620, 1014400), (634, 992000), (640, 982700), (775, 811520), (800, 786160), (992, 634000), (1000, 628928), (1240, 507200), (1268, 496000), (1280, 491350), (1550, 405760), (1585, 396800), (1600, 393080), (1984, 317000), (2000, 314464), (2480, 253600), (2536, 248000), (2560, 245675), (3100, 202880), (3170, 198400), (3200, 196540), (3875, 162304), (3968, 158500), (4000, 157232), (4960, 126800), (5072, 124000), (6200, 101440), (6340, 99200), (6400, 98270), (7750, 81152), (7925, 79360), (7936, 79250), (8000, 78616), (9827, 64000), (9920, 63400), (10144, 62000), (12400, 50720), (12680, 49600), (12800, 49135), (15500, 40576), (15850, 39680), (15872, 39625), (16000, 39308), (19654, 32000), (19840, 31700), (20288, 31000), (24800, 25360)]