31312560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{130469}}^1$

素因数の和:130485

約数の個数: 40

約数和(自身を含む): 97069680

約数和(自身を除く): 65757120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 130469, 260938, 391407, 521876, 652345, 782814, 1043752, 1304690, 1565628, 1957035, 2087504, 2609380, 3131256, 3914070, 5218760, 6262512, 7828140, 10437520, 15656280, 31312560]

約数ペア:

[(1, 31312560), (2, 15656280), (3, 10437520), (4, 7828140), (5, 6262512), (6, 5218760), (8, 3914070), (10, 3131256), (12, 2609380), (15, 2087504), (16, 1957035), (20, 1565628), (24, 1304690), (30, 1043752), (40, 782814), (48, 652345), (60, 521876), (80, 391407), (120, 260938), (240, 130469)]