1028560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 2749824

約数和(自身を除く): 1721264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 43, 46, 52, 65, 80, 86, 92, 104, 115, 130, 172, 184, 208, 215, 230, 260, 299, 344, 368, 430, 460, 520, 559, 598, 688, 860, 920, 989, 1040, 1118, 1196, 1495, 1720, 1840, 1978, 2236, 2392, 2795, 2990, 3440, 3956, 4472, 4784, 4945, 5590, 5980, 7912, 8944, 9890, 11180, 11960, 12857, 15824, 19780, 22360, 23920, 25714, 39560, 44720, 51428, 64285, 79120, 102856, 128570, 205712, 257140, 514280, 1028560]

約数ペア:

[(1, 1028560), (2, 514280), (4, 257140), (5, 205712), (8, 128570), (10, 102856), (13, 79120), (16, 64285), (20, 51428), (23, 44720), (26, 39560), (40, 25714), (43, 23920), (46, 22360), (52, 19780), (65, 15824), (80, 12857), (86, 11960), (92, 11180), (104, 9890), (115, 8944), (130, 7912), (172, 5980), (184, 5590), (208, 4945), (215, 4784), (230, 4472), (260, 3956), (299, 3440), (344, 2990), (368, 2795), (430, 2392), (460, 2236), (520, 1978), (559, 1840), (598, 1720), (688, 1495), (860, 1196), (920, 1118), (989, 1040)]