248560640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1197

約数の個数: 88

約数和(自身を含む): 610661040

約数和(自身を除く): 362100400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1024, 1129, 1280, 1376, 1720, 2258, 2560, 2752, 3440, 4516, 5120, 5504, 5645, 6880, 9032, 11008, 11290, 13760, 18064, 22016, 22580, 27520, 36128, 44032, 45160, 48547, 55040, 72256, 90320, 97094, 110080, 144512, 180640, 194188, 220160, 242735, 289024, 361280, 388376, 485470, 578048, 722560, 776752, 970940, 1156096, 1445120, 1553504, 1941880, 2890240, 3107008, 3883760, 5780480, 6214016, 7767520, 12428032, 15535040, 24856064, 31070080, 49712128, 62140160, 124280320, 248560640]

約数ペア:

[(1, 248560640), (2, 124280320), (4, 62140160), (5, 49712128), (8, 31070080), (10, 24856064), (16, 15535040), (20, 12428032), (32, 7767520), (40, 6214016), (43, 5780480), (64, 3883760), (80, 3107008), (86, 2890240), (128, 1941880), (160, 1553504), (172, 1445120), (215, 1156096), (256, 970940), (320, 776752), (344, 722560), (430, 578048), (512, 485470), (640, 388376), (688, 361280), (860, 289024), (1024, 242735), (1129, 220160), (1280, 194188), (1376, 180640), (1720, 144512), (2258, 110080), (2560, 97094), (2752, 90320), (3440, 72256), (4516, 55040), (5120, 48547), (5504, 45160), (5645, 44032), (6880, 36128), (9032, 27520), (11008, 22580), (11290, 22016), (13760, 18064)]