1263202720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607309}}^1$

素因数の和:607337

約数の個数: 48

約数和(自身を含む): 3213884520

約数和(自身を除く): 1950681800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 607309, 1214618, 2429236, 3036545, 4858472, 6073090, 7895017, 9716944, 12146180, 15790034, 19433888, 24292360, 31580068, 39475085, 48584720, 63160136, 78950170, 97169440, 126320272, 157900340, 252640544, 315800680, 631601360, 1263202720]

約数ペア:

[(1, 1263202720), (2, 631601360), (4, 315800680), (5, 252640544), (8, 157900340), (10, 126320272), (13, 97169440), (16, 78950170), (20, 63160136), (26, 48584720), (32, 39475085), (40, 31580068), (52, 24292360), (65, 19433888), (80, 15790034), (104, 12146180), (130, 9716944), (160, 7895017), (208, 6073090), (260, 4858472), (416, 3036545), (520, 2429236), (1040, 1214618), (2080, 607309)]