251018560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 652369536

約数和(自身を除く): 401350976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 130, 160, 166, 208, 260, 320, 332, 415, 416, 520, 664, 727, 830, 832, 1040, 1079, 1328, 1454, 1660, 2080, 2158, 2656, 2908, 3320, 3635, 4160, 4316, 5312, 5395, 5816, 6640, 7270, 8632, 9451, 10790, 11632, 13280, 14540, 17264, 18902, 21580, 23264, 26560, 29080, 34528, 37804, 43160, 46528, 47255, 58160, 60341, 69056, 75608, 86320, 94510, 116320, 120682, 151216, 172640, 189020, 232640, 241364, 301705, 302432, 345280, 378040, 482728, 603410, 604864, 756080, 784433, 965456, 1206820, 1512160, 1568866, 1930912, 2413640, 3024320, 3137732, 3861824, 3922165, 4827280, 6275464, 7844330, 9654560, 12550928, 15688660, 19309120, 25101856, 31377320, 50203712, 62754640, 125509280, 251018560]

約数ペア:

[(1, 251018560), (2, 125509280), (4, 62754640), (5, 50203712), (8, 31377320), (10, 25101856), (13, 19309120), (16, 15688660), (20, 12550928), (26, 9654560), (32, 7844330), (40, 6275464), (52, 4827280), (64, 3922165), (65, 3861824), (80, 3137732), (83, 3024320), (104, 2413640), (130, 1930912), (160, 1568866), (166, 1512160), (208, 1206820), (260, 965456), (320, 784433), (332, 756080), (415, 604864), (416, 603410), (520, 482728), (664, 378040), (727, 345280), (830, 302432), (832, 301705), (1040, 241364), (1079, 232640), (1328, 189020), (1454, 172640), (1660, 151216), (2080, 120682), (2158, 116320), (2656, 94510), (2908, 86320), (3320, 75608), (3635, 69056), (4160, 60341), (4316, 58160), (5312, 47255), (5395, 46528), (5816, 43160), (6640, 37804), (7270, 34528), (8632, 29080), (9451, 26560), (10790, 23264), (11632, 21580), (13280, 18902), (14540, 17264)]