158333440

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:637

約数の個数: 80

約数和(自身を含む): 383404032

約数和(自身を除く): 225070592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 487, 508, 512, 635, 640, 974, 1016, 1270, 1280, 1948, 2032, 2435, 2540, 2560, 3896, 4064, 4870, 5080, 7792, 8128, 9740, 10160, 15584, 16256, 19480, 20320, 31168, 32512, 38960, 40640, 61849, 62336, 65024, 77920, 81280, 123698, 124672, 155840, 162560, 247396, 249344, 309245, 311680, 325120, 494792, 618490, 623360, 989584, 1236980, 1246720, 1979168, 2473960, 3958336, 4947920, 7916672, 9895840, 15833344, 19791680, 31666688, 39583360, 79166720, 158333440]

約数ペア:

[(1, 158333440), (2, 79166720), (4, 39583360), (5, 31666688), (8, 19791680), (10, 15833344), (16, 9895840), (20, 7916672), (32, 4947920), (40, 3958336), (64, 2473960), (80, 1979168), (127, 1246720), (128, 1236980), (160, 989584), (254, 623360), (256, 618490), (320, 494792), (487, 325120), (508, 311680), (512, 309245), (635, 249344), (640, 247396), (974, 162560), (1016, 155840), (1270, 124672), (1280, 123698), (1948, 81280), (2032, 77920), (2435, 65024), (2540, 62336), (2560, 61849), (3896, 40640), (4064, 38960), (4870, 32512), (5080, 31168), (7792, 20320), (8128, 19480), (9740, 16256), (10160, 15584)]