80467380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63863}}^1$

素因数の和:63885

約数の個数: 72

約数和(自身を含む): 278957952

約数和(自身を除く): 198490572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 63863, 127726, 191589, 255452, 319315, 383178, 447041, 574767, 638630, 766356, 894082, 957945, 1149534, 1277260, 1341123, 1788164, 1915890, 2235205, 2299068, 2682246, 2873835, 3831780, 4023369, 4470410, 5364492, 5747670, 6705615, 8046738, 8940820, 11495340, 13411230, 16093476, 20116845, 26822460, 40233690, 80467380]

約数ペア:

[(1, 80467380), (2, 40233690), (3, 26822460), (4, 20116845), (5, 16093476), (6, 13411230), (7, 11495340), (9, 8940820), (10, 8046738), (12, 6705615), (14, 5747670), (15, 5364492), (18, 4470410), (20, 4023369), (21, 3831780), (28, 2873835), (30, 2682246), (35, 2299068), (36, 2235205), (42, 1915890), (45, 1788164), (60, 1341123), (63, 1277260), (70, 1149534), (84, 957945), (90, 894082), (105, 766356), (126, 638630), (140, 574767), (180, 447041), (210, 383178), (252, 319315), (315, 255452), (420, 191589), (630, 127726), (1260, 63863)]