1320492560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{717659}}^1$

素因数の和:717695

約数の個数: 40

約数和(自身を含む): 3203634240

約数和(自身を除く): 1883141680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 717659, 1435318, 2870636, 3588295, 5741272, 7176590, 11482544, 14353180, 16506157, 28706360, 33012314, 57412720, 66024628, 82530785, 132049256, 165061570, 264098512, 330123140, 660246280, 1320492560]

約数ペア:

[(1, 1320492560), (2, 660246280), (4, 330123140), (5, 264098512), (8, 165061570), (10, 132049256), (16, 82530785), (20, 66024628), (23, 57412720), (40, 33012314), (46, 28706360), (80, 16506157), (92, 14353180), (115, 11482544), (184, 7176590), (230, 5741272), (368, 3588295), (460, 2870636), (920, 1435318), (1840, 717659)]