86362880

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 209101200

約数和(自身を除く): 122738320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 619, 640, 872, 1090, 1238, 1280, 1744, 2180, 2476, 3095, 3488, 4360, 4952, 6190, 6976, 8720, 9904, 12380, 13952, 17440, 19808, 24760, 27904, 34880, 39616, 49520, 67471, 69760, 79232, 99040, 134942, 139520, 158464, 198080, 269884, 337355, 396160, 539768, 674710, 792320, 1079536, 1349420, 2159072, 2698840, 4318144, 5397680, 8636288, 10795360, 17272576, 21590720, 43181440, 86362880]

約数ペア:

[(1, 86362880), (2, 43181440), (4, 21590720), (5, 17272576), (8, 10795360), (10, 8636288), (16, 5397680), (20, 4318144), (32, 2698840), (40, 2159072), (64, 1349420), (80, 1079536), (109, 792320), (128, 674710), (160, 539768), (218, 396160), (256, 337355), (320, 269884), (436, 198080), (545, 158464), (619, 139520), (640, 134942), (872, 99040), (1090, 79232), (1238, 69760), (1280, 67471), (1744, 49520), (2180, 39616), (2476, 34880), (3095, 27904), (3488, 24760), (4360, 19808), (4952, 17440), (6190, 13952), (6976, 12380), (8720, 9904)]