6448280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 15586560

約数和(自身を除く): 9138280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 163, 172, 184, 215, 230, 326, 344, 430, 460, 652, 815, 860, 920, 989, 1304, 1630, 1720, 1978, 3260, 3749, 3956, 4945, 6520, 7009, 7498, 7912, 9890, 14018, 14996, 18745, 19780, 28036, 29992, 35045, 37490, 39560, 56072, 70090, 74980, 140180, 149960, 161207, 280360, 322414, 644828, 806035, 1289656, 1612070, 3224140, 6448280]

約数ペア:

[(1, 6448280), (2, 3224140), (4, 1612070), (5, 1289656), (8, 806035), (10, 644828), (20, 322414), (23, 280360), (40, 161207), (43, 149960), (46, 140180), (86, 74980), (92, 70090), (115, 56072), (163, 39560), (172, 37490), (184, 35045), (215, 29992), (230, 28036), (326, 19780), (344, 18745), (430, 14996), (460, 14018), (652, 9890), (815, 7912), (860, 7498), (920, 7009), (989, 6520), (1304, 4945), (1630, 3956), (1720, 3749), (1978, 3260)]