1320631040

素因数分解:

$2^8\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2027}}^1$

素因数の和:2557

約数の個数: 72

約数和(自身を含む): 3171102480

約数和(自身を除く): 1850471440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 509, 640, 1018, 1280, 2027, 2036, 2545, 4054, 4072, 5090, 8108, 8144, 10135, 10180, 16216, 16288, 20270, 20360, 32432, 32576, 40540, 40720, 64864, 65152, 81080, 81440, 129728, 130304, 162160, 162880, 259456, 324320, 325760, 518912, 648640, 651520, 1031743, 1297280, 2063486, 2594560, 4126972, 5158715, 8253944, 10317430, 16507888, 20634860, 33015776, 41269720, 66031552, 82539440, 132063104, 165078880, 264126208, 330157760, 660315520, 1320631040]

約数ペア:

[(1, 1320631040), (2, 660315520), (4, 330157760), (5, 264126208), (8, 165078880), (10, 132063104), (16, 82539440), (20, 66031552), (32, 41269720), (40, 33015776), (64, 20634860), (80, 16507888), (128, 10317430), (160, 8253944), (256, 5158715), (320, 4126972), (509, 2594560), (640, 2063486), (1018, 1297280), (1280, 1031743), (2027, 651520), (2036, 648640), (2545, 518912), (4054, 325760), (4072, 324320), (5090, 259456), (8108, 162880), (8144, 162160), (10135, 130304), (10180, 129728), (16216, 81440), (16288, 81080), (20270, 65152), (20360, 64864), (32432, 40720), (32576, 40540)]