68867840

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 166447008

約数和(自身を除く): 97579168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 311, 320, 346, 622, 640, 692, 865, 1244, 1280, 1384, 1555, 1730, 2488, 2768, 3110, 3460, 4976, 5536, 6220, 6920, 9952, 11072, 12440, 13840, 19904, 22144, 24880, 27680, 39808, 44288, 49760, 53803, 55360, 79616, 99520, 107606, 110720, 199040, 215212, 221440, 269015, 398080, 430424, 538030, 860848, 1076060, 1721696, 2152120, 3443392, 4304240, 6886784, 8608480, 13773568, 17216960, 34433920, 68867840]

約数ペア:

[(1, 68867840), (2, 34433920), (4, 17216960), (5, 13773568), (8, 8608480), (10, 6886784), (16, 4304240), (20, 3443392), (32, 2152120), (40, 1721696), (64, 1076060), (80, 860848), (128, 538030), (160, 430424), (173, 398080), (256, 269015), (311, 221440), (320, 215212), (346, 199040), (622, 110720), (640, 107606), (692, 99520), (865, 79616), (1244, 55360), (1280, 53803), (1384, 49760), (1555, 44288), (1730, 39808), (2488, 27680), (2768, 24880), (3110, 22144), (3460, 19904), (4976, 13840), (5536, 12440), (6220, 11072), (6920, 9952)]