83720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:54

約数の個数: 64

約数和(自身を含む): 241920

約数和(自身を除く): 158200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3220, 3640, 4186, 5980, 6440, 8372, 10465, 11960, 16744, 20930, 41860, 83720]

約数ペア:

[(1, 83720), (2, 41860), (4, 20930), (5, 16744), (7, 11960), (8, 10465), (10, 8372), (13, 6440), (14, 5980), (20, 4186), (23, 3640), (26, 3220), (28, 2990), (35, 2392), (40, 2093), (46, 1820), (52, 1610), (56, 1495), (65, 1288), (70, 1196), (91, 920), (92, 910), (104, 805), (115, 728), (130, 644), (140, 598), (161, 520), (182, 460), (184, 455), (230, 364), (260, 322), (280, 299)]