628802560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:859

約数の個数: 88

約数和(自身を含む): 1518644736

約数和(自身を除く): 889842176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 512, 640, 643, 764, 955, 1024, 1280, 1286, 1528, 1910, 2560, 2572, 3056, 3215, 3820, 5120, 5144, 6112, 6430, 7640, 10288, 12224, 12860, 15280, 20576, 24448, 25720, 30560, 41152, 48896, 51440, 61120, 82304, 97792, 102880, 122240, 122813, 164608, 195584, 205760, 244480, 245626, 329216, 411520, 488960, 491252, 614065, 658432, 823040, 977920, 982504, 1228130, 1646080, 1965008, 2456260, 3292160, 3930016, 4912520, 7860032, 9825040, 15720064, 19650080, 31440128, 39300160, 62880256, 78600320, 125760512, 157200640, 314401280, 628802560]

約数ペア:

[(1, 628802560), (2, 314401280), (4, 157200640), (5, 125760512), (8, 78600320), (10, 62880256), (16, 39300160), (20, 31440128), (32, 19650080), (40, 15720064), (64, 9825040), (80, 7860032), (128, 4912520), (160, 3930016), (191, 3292160), (256, 2456260), (320, 1965008), (382, 1646080), (512, 1228130), (640, 982504), (643, 977920), (764, 823040), (955, 658432), (1024, 614065), (1280, 491252), (1286, 488960), (1528, 411520), (1910, 329216), (2560, 245626), (2572, 244480), (3056, 205760), (3215, 195584), (3820, 164608), (5120, 122813), (5144, 122240), (6112, 102880), (6430, 97792), (7640, 82304), (10288, 61120), (12224, 51440), (12860, 48896), (15280, 41152), (20576, 30560), (24448, 25720)]