157428800

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1696

約数の個数: 84

約数和(自身を含む): 393967716

約数和(自身を除く): 236538916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 200, 244, 305, 320, 400, 488, 610, 800, 976, 1220, 1525, 1600, 1613, 1952, 2440, 3050, 3226, 3904, 4880, 6100, 6452, 8065, 9760, 12200, 12904, 16130, 19520, 24400, 25808, 32260, 40325, 48800, 51616, 64520, 80650, 97600, 98393, 103232, 129040, 161300, 196786, 258080, 322600, 393572, 491965, 516160, 645200, 787144, 983930, 1290400, 1574288, 1967860, 2459825, 2580800, 3148576, 3935720, 4919650, 6297152, 7871440, 9839300, 15742880, 19678600, 31485760, 39357200, 78714400, 157428800]

約数ペア:

[(1, 157428800), (2, 78714400), (4, 39357200), (5, 31485760), (8, 19678600), (10, 15742880), (16, 9839300), (20, 7871440), (25, 6297152), (32, 4919650), (40, 3935720), (50, 3148576), (61, 2580800), (64, 2459825), (80, 1967860), (100, 1574288), (122, 1290400), (160, 983930), (200, 787144), (244, 645200), (305, 516160), (320, 491965), (400, 393572), (488, 322600), (610, 258080), (800, 196786), (976, 161300), (1220, 129040), (1525, 103232), (1600, 98393), (1613, 97600), (1952, 80650), (2440, 64520), (3050, 51616), (3226, 48800), (3904, 40325), (4880, 32260), (6100, 25808), (6452, 24400), (8065, 19520), (9760, 16130), (12200, 12904)]