161085560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{563}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 380090880

約数和(自身を除く): 219005320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 311, 460, 563, 622, 920, 1126, 1244, 1555, 2252, 2488, 2815, 3110, 4504, 5630, 6220, 7153, 11260, 12440, 12949, 14306, 22520, 25898, 28612, 35765, 51796, 57224, 64745, 71530, 103592, 129490, 143060, 175093, 258980, 286120, 350186, 517960, 700372, 875465, 1400744, 1750930, 3501860, 4027139, 7003720, 8054278, 16108556, 20135695, 32217112, 40271390, 80542780, 161085560]

約数ペア:

[(1, 161085560), (2, 80542780), (4, 40271390), (5, 32217112), (8, 20135695), (10, 16108556), (20, 8054278), (23, 7003720), (40, 4027139), (46, 3501860), (92, 1750930), (115, 1400744), (184, 875465), (230, 700372), (311, 517960), (460, 350186), (563, 286120), (622, 258980), (920, 175093), (1126, 143060), (1244, 129490), (1555, 103592), (2252, 71530), (2488, 64745), (2815, 57224), (3110, 51796), (4504, 35765), (5630, 28612), (6220, 25898), (7153, 22520), (11260, 14306), (12440, 12949)]