159796480

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 386168832

約数和(自身を除く): 226372352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 983, 1016, 1270, 1280, 1966, 2032, 2540, 3932, 4064, 4915, 5080, 7864, 8128, 9830, 10160, 15728, 16256, 19660, 20320, 31456, 32512, 39320, 40640, 62912, 78640, 81280, 124841, 125824, 157280, 162560, 249682, 251648, 314560, 499364, 624205, 629120, 998728, 1248410, 1258240, 1997456, 2496820, 3994912, 4993640, 7989824, 9987280, 15979648, 19974560, 31959296, 39949120, 79898240, 159796480]

約数ペア:

[(1, 159796480), (2, 79898240), (4, 39949120), (5, 31959296), (8, 19974560), (10, 15979648), (16, 9987280), (20, 7989824), (32, 4993640), (40, 3994912), (64, 2496820), (80, 1997456), (127, 1258240), (128, 1248410), (160, 998728), (254, 629120), (256, 624205), (320, 499364), (508, 314560), (635, 251648), (640, 249682), (983, 162560), (1016, 157280), (1270, 125824), (1280, 124841), (1966, 81280), (2032, 78640), (2540, 62912), (3932, 40640), (4064, 39320), (4915, 32512), (5080, 31456), (7864, 20320), (8128, 19660), (9830, 16256), (10160, 15728)]