240080320

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1709}}^1$

素因数の和:2165

約数の個数: 56

約数和(自身を含む): 573328800

約数和(自身を除く): 333248480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 878, 1709, 1756, 2195, 3418, 3512, 4390, 6836, 7024, 8545, 8780, 13672, 14048, 17090, 17560, 27344, 28096, 34180, 35120, 54688, 68360, 70240, 109376, 136720, 140480, 273440, 546880, 750251, 1500502, 3001004, 3751255, 6002008, 7502510, 12004016, 15005020, 24008032, 30010040, 48016064, 60020080, 120040160, 240080320]

約数ペア:

[(1, 240080320), (2, 120040160), (4, 60020080), (5, 48016064), (8, 30010040), (10, 24008032), (16, 15005020), (20, 12004016), (32, 7502510), (40, 6002008), (64, 3751255), (80, 3001004), (160, 1500502), (320, 750251), (439, 546880), (878, 273440), (1709, 140480), (1756, 136720), (2195, 109376), (3418, 70240), (3512, 68360), (4390, 54688), (6836, 35120), (7024, 34180), (8545, 28096), (8780, 27344), (13672, 17560), (14048, 17090)]