81628170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{673}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 211970304

約数和(自身を除く): 130342134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 311, 390, 622, 673, 933, 1346, 1555, 1866, 2019, 3110, 3365, 4038, 4043, 4665, 6730, 8086, 8749, 9330, 10095, 12129, 17498, 20190, 20215, 24258, 26247, 40430, 43745, 52494, 60645, 87490, 121290, 131235, 209303, 262470, 418606, 627909, 1046515, 1255818, 2093030, 2720939, 3139545, 5441878, 6279090, 8162817, 13604695, 16325634, 27209390, 40814085, 81628170]

約数ペア:

[(1, 81628170), (2, 40814085), (3, 27209390), (5, 16325634), (6, 13604695), (10, 8162817), (13, 6279090), (15, 5441878), (26, 3139545), (30, 2720939), (39, 2093030), (65, 1255818), (78, 1046515), (130, 627909), (195, 418606), (311, 262470), (390, 209303), (622, 131235), (673, 121290), (933, 87490), (1346, 60645), (1555, 52494), (1866, 43745), (2019, 40430), (3110, 26247), (3365, 24258), (4038, 20215), (4043, 20190), (4665, 17498), (6730, 12129), (8086, 10095), (8749, 9330)]