88817680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 237484800

約数和(自身を除く): 148667120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 797, 995, 1393, 1592, 1594, 1990, 2786, 3184, 3188, 3980, 3985, 5572, 5579, 6376, 6965, 7960, 7970, 11144, 11158, 12752, 13930, 15920, 15940, 22288, 22316, 27860, 27895, 31880, 44632, 55720, 55790, 63760, 89264, 111440, 111580, 158603, 223160, 317206, 446320, 634412, 793015, 1110221, 1268824, 1586030, 2220442, 2537648, 3172060, 4440884, 5551105, 6344120, 8881768, 11102210, 12688240, 17763536, 22204420, 44408840, 88817680]

約数ペア:

[(1, 88817680), (2, 44408840), (4, 22204420), (5, 17763536), (7, 12688240), (8, 11102210), (10, 8881768), (14, 6344120), (16, 5551105), (20, 4440884), (28, 3172060), (35, 2537648), (40, 2220442), (56, 1586030), (70, 1268824), (80, 1110221), (112, 793015), (140, 634412), (199, 446320), (280, 317206), (398, 223160), (560, 158603), (796, 111580), (797, 111440), (995, 89264), (1393, 63760), (1592, 55790), (1594, 55720), (1990, 44632), (2786, 31880), (3184, 27895), (3188, 27860), (3980, 22316), (3985, 22288), (5572, 15940), (5579, 15920), (6376, 13930), (6965, 12752), (7960, 11158), (7970, 11144)]