1620832304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15679}}^1$

素因数の和:15778

約数の個数: 80

約数和(自身を含む): 3919749120

約数和(自身を除く): 2298916816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3976, 6461, 7384, 7952, 12922, 14768, 15679, 25844, 31358, 51688, 62716, 103376, 109753, 125432, 203827, 219506, 250864, 407654, 439012, 815308, 878024, 1113209, 1426789, 1630616, 1756048, 2226418, 2853578, 3261232, 4452836, 5707156, 7792463, 8905672, 11414312, 14471717, 15584926, 17811344, 22828624, 28943434, 31169852, 57886868, 62339704, 101302019, 115773736, 124679408, 202604038, 231547472, 405208076, 810416152, 1620832304]

約数ペア:

[(1, 1620832304), (2, 810416152), (4, 405208076), (7, 231547472), (8, 202604038), (13, 124679408), (14, 115773736), (16, 101302019), (26, 62339704), (28, 57886868), (52, 31169852), (56, 28943434), (71, 22828624), (91, 17811344), (104, 15584926), (112, 14471717), (142, 11414312), (182, 8905672), (208, 7792463), (284, 5707156), (364, 4452836), (497, 3261232), (568, 2853578), (728, 2226418), (923, 1756048), (994, 1630616), (1136, 1426789), (1456, 1113209), (1846, 878024), (1988, 815308), (3692, 439012), (3976, 407654), (6461, 250864), (7384, 219506), (7952, 203827), (12922, 125432), (14768, 109753), (15679, 103376), (25844, 62716), (31358, 51688)]