320143360

素因数分解:

$2^{16}\times 5^1\times {\mathrm{977}}^1$

素因数の和:1014

約数の個数: 68

約数和(自身を含む): 769124628

約数和(自身を除く): 448981268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 977, 1024, 1280, 1954, 2048, 2560, 3908, 4096, 4885, 5120, 7816, 8192, 9770, 10240, 15632, 16384, 19540, 20480, 31264, 32768, 39080, 40960, 62528, 65536, 78160, 81920, 125056, 156320, 163840, 250112, 312640, 327680, 500224, 625280, 1000448, 1250560, 2000896, 2501120, 4001792, 5002240, 8003584, 10004480, 16007168, 20008960, 32014336, 40017920, 64028672, 80035840, 160071680, 320143360]

約数ペア:

[(1, 320143360), (2, 160071680), (4, 80035840), (5, 64028672), (8, 40017920), (10, 32014336), (16, 20008960), (20, 16007168), (32, 10004480), (40, 8003584), (64, 5002240), (80, 4001792), (128, 2501120), (160, 2000896), (256, 1250560), (320, 1000448), (512, 625280), (640, 500224), (977, 327680), (1024, 312640), (1280, 250112), (1954, 163840), (2048, 156320), (2560, 125056), (3908, 81920), (4096, 78160), (4885, 65536), (5120, 62528), (7816, 40960), (8192, 39080), (9770, 32768), (10240, 31264), (15632, 20480), (16384, 19540)]