4495120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 12499200

約数和(自身を除く): 8004080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 349, 368, 460, 560, 644, 698, 805, 920, 1288, 1396, 1610, 1745, 1840, 2443, 2576, 2792, 3220, 3490, 4886, 5584, 6440, 6980, 8027, 9772, 12215, 12880, 13960, 16054, 19544, 24430, 27920, 32108, 39088, 40135, 48860, 56189, 64216, 80270, 97720, 112378, 128432, 160540, 195440, 224756, 280945, 321080, 449512, 561890, 642160, 899024, 1123780, 2247560, 4495120]

約数ペア:

[(1, 4495120), (2, 2247560), (4, 1123780), (5, 899024), (7, 642160), (8, 561890), (10, 449512), (14, 321080), (16, 280945), (20, 224756), (23, 195440), (28, 160540), (35, 128432), (40, 112378), (46, 97720), (56, 80270), (70, 64216), (80, 56189), (92, 48860), (112, 40135), (115, 39088), (140, 32108), (161, 27920), (184, 24430), (230, 19544), (280, 16054), (322, 13960), (349, 12880), (368, 12215), (460, 9772), (560, 8027), (644, 6980), (698, 6440), (805, 5584), (920, 4886), (1288, 3490), (1396, 3220), (1610, 2792), (1745, 2576), (1840, 2443)]