154256000

素因数分解:

$2^7\times 5^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 397163520

約数和(自身を除く): 242907520

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, 310, 311, 320, 400, 496, 500, 620, 622, 640, 775, 800, 992, 1000, 1240, 1244, 1550, 1555, 1600, 1984, 2000, 2480, 2488, 3100, 3110, 3200, 3875, 3968, 4000, 4960, 4976, 6200, 6220, 7750, 7775, 8000, 9641, 9920, 9952, 12400, 12440, 15500, 15550, 16000, 19282, 19840, 19904, 24800, 24880, 31000, 31100, 38564, 38875, 39808, 48205, 49600, 49760, 62000, 62200, 77128, 77750, 96410, 99200, 99520, 124000, 124400, 154256, 155500, 192820, 199040, 241025, 248000, 248800, 308512, 311000, 385640, 482050, 496000, 497600, 617024, 622000, 771280, 964100, 995200, 1205125, 1234048, 1244000, 1542560, 1928200, 2410250, 2488000, 3085120, 3856400, 4820500, 4976000, 6170240, 7712800, 9641000, 15425600, 19282000, 30851200, 38564000, 77128000, 154256000]

約数ペア:

[(1, 154256000), (2, 77128000), (4, 38564000), (5, 30851200), (8, 19282000), (10, 15425600), (16, 9641000), (20, 7712800), (25, 6170240), (31, 4976000), (32, 4820500), (40, 3856400), (50, 3085120), (62, 2488000), (64, 2410250), (80, 1928200), (100, 1542560), (124, 1244000), (125, 1234048), (128, 1205125), (155, 995200), (160, 964100), (200, 771280), (248, 622000), (250, 617024), (310, 497600), (311, 496000), (320, 482050), (400, 385640), (496, 311000), (500, 308512), (620, 248800), (622, 248000), (640, 241025), (775, 199040), (800, 192820), (992, 155500), (1000, 154256), (1240, 124400), (1244, 124000), (1550, 99520), (1555, 99200), (1600, 96410), (1984, 77750), (2000, 77128), (2480, 62200), (2488, 62000), (3100, 49760), (3110, 49600), (3200, 48205), (3875, 39808), (3968, 38875), (4000, 38564), (4960, 31100), (4976, 31000), (6200, 24880), (6220, 24800), (7750, 19904), (7775, 19840), (8000, 19282), (9641, 16000), (9920, 15550), (9952, 15500), (12400, 12440)]