8219120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 23540160

約数和(自身を除く): 15321040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1129, 1456, 1820, 2258, 3640, 4516, 5645, 7280, 7903, 9032, 11290, 14677, 15806, 18064, 22580, 29354, 31612, 39515, 45160, 58708, 63224, 73385, 79030, 90320, 102739, 117416, 126448, 146770, 158060, 205478, 234832, 293540, 316120, 410956, 513695, 587080, 632240, 821912, 1027390, 1174160, 1643824, 2054780, 4109560, 8219120]

約数ペア:

[(1, 8219120), (2, 4109560), (4, 2054780), (5, 1643824), (7, 1174160), (8, 1027390), (10, 821912), (13, 632240), (14, 587080), (16, 513695), (20, 410956), (26, 316120), (28, 293540), (35, 234832), (40, 205478), (52, 158060), (56, 146770), (65, 126448), (70, 117416), (80, 102739), (91, 90320), (104, 79030), (112, 73385), (130, 63224), (140, 58708), (182, 45160), (208, 39515), (260, 31612), (280, 29354), (364, 22580), (455, 18064), (520, 15806), (560, 14677), (728, 11290), (910, 9032), (1040, 7903), (1129, 7280), (1456, 5645), (1820, 4516), (2258, 3640)]