84723760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2306

約数の個数: 80

約数和(自身を含む): 219985920

約数和(自身を除く): 135262160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2239, 2365, 3440, 3784, 4478, 4730, 7568, 8956, 9460, 11195, 17912, 18920, 22390, 24629, 35824, 37840, 44780, 49258, 89560, 96277, 98516, 123145, 179120, 192554, 197032, 246290, 385108, 394064, 481385, 492580, 770216, 962770, 985160, 1059047, 1540432, 1925540, 1970320, 2118094, 3851080, 4236188, 5295235, 7702160, 8472376, 10590470, 16944752, 21180940, 42361880, 84723760]

約数ペア:

[(1, 84723760), (2, 42361880), (4, 21180940), (5, 16944752), (8, 10590470), (10, 8472376), (11, 7702160), (16, 5295235), (20, 4236188), (22, 3851080), (40, 2118094), (43, 1970320), (44, 1925540), (55, 1540432), (80, 1059047), (86, 985160), (88, 962770), (110, 770216), (172, 492580), (176, 481385), (215, 394064), (220, 385108), (344, 246290), (430, 197032), (440, 192554), (473, 179120), (688, 123145), (860, 98516), (880, 96277), (946, 89560), (1720, 49258), (1892, 44780), (2239, 37840), (2365, 35824), (3440, 24629), (3784, 22390), (4478, 18920), (4730, 17912), (7568, 11195), (8956, 9460)]