129045760

素因数分解:

$2^8\times 5^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 311370696

約数和(自身を除く): 182324936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 256, 320, 362, 557, 640, 724, 905, 1114, 1280, 1448, 1810, 2228, 2785, 2896, 3620, 4456, 5570, 5792, 7240, 8912, 11140, 11584, 14480, 17824, 22280, 23168, 28960, 35648, 44560, 46336, 57920, 71296, 89120, 100817, 115840, 142592, 178240, 201634, 231680, 356480, 403268, 504085, 712960, 806536, 1008170, 1613072, 2016340, 3226144, 4032680, 6452288, 8065360, 12904576, 16130720, 25809152, 32261440, 64522880, 129045760]

約数ペア:

[(1, 129045760), (2, 64522880), (4, 32261440), (5, 25809152), (8, 16130720), (10, 12904576), (16, 8065360), (20, 6452288), (32, 4032680), (40, 3226144), (64, 2016340), (80, 1613072), (128, 1008170), (160, 806536), (181, 712960), (256, 504085), (320, 403268), (362, 356480), (557, 231680), (640, 201634), (724, 178240), (905, 142592), (1114, 115840), (1280, 100817), (1448, 89120), (1810, 71296), (2228, 57920), (2785, 46336), (2896, 44560), (3620, 35648), (4456, 28960), (5570, 23168), (5792, 22280), (7240, 17824), (8912, 14480), (11140, 11584)]