86656720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 216771840

約数和(自身を除く): 130115120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1213, 1520, 1786, 1880, 2426, 3572, 3760, 4465, 4852, 6065, 7144, 8930, 9704, 12130, 14288, 17860, 19408, 23047, 24260, 35720, 46094, 48520, 57011, 71440, 92188, 97040, 114022, 115235, 184376, 228044, 230470, 285055, 368752, 456088, 460940, 570110, 912176, 921880, 1083209, 1140220, 1843760, 2166418, 2280440, 4332836, 4560880, 5416045, 8665672, 10832090, 17331344, 21664180, 43328360, 86656720]

約数ペア:

[(1, 86656720), (2, 43328360), (4, 21664180), (5, 17331344), (8, 10832090), (10, 8665672), (16, 5416045), (19, 4560880), (20, 4332836), (38, 2280440), (40, 2166418), (47, 1843760), (76, 1140220), (80, 1083209), (94, 921880), (95, 912176), (152, 570110), (188, 460940), (190, 456088), (235, 368752), (304, 285055), (376, 230470), (380, 228044), (470, 184376), (752, 115235), (760, 114022), (893, 97040), (940, 92188), (1213, 71440), (1520, 57011), (1786, 48520), (1880, 46094), (2426, 35720), (3572, 24260), (3760, 23047), (4465, 19408), (4852, 17860), (6065, 14288), (7144, 12130), (8930, 9704)]