247440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1031}}^1$

素因数の和:1047

約数の個数: 40

約数和(自身を含む): 767808

約数和(自身を除く): 520368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1031, 2062, 3093, 4124, 5155, 6186, 8248, 10310, 12372, 15465, 16496, 20620, 24744, 30930, 41240, 49488, 61860, 82480, 123720, 247440]

約数ペア:

[(1, 247440), (2, 123720), (3, 82480), (4, 61860), (5, 49488), (6, 41240), (8, 30930), (10, 24744), (12, 20620), (15, 16496), (16, 15465), (20, 12372), (24, 10310), (30, 8248), (40, 6186), (48, 5155), (60, 4124), (80, 3093), (120, 2062), (240, 1031)]