1551440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 4124736

約数和(自身を除く): 2573296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 43, 44, 55, 80, 82, 86, 88, 110, 164, 172, 176, 205, 215, 220, 328, 344, 410, 430, 440, 451, 473, 656, 688, 820, 860, 880, 902, 946, 1640, 1720, 1763, 1804, 1892, 2255, 2365, 3280, 3440, 3526, 3608, 3784, 4510, 4730, 7052, 7216, 7568, 8815, 9020, 9460, 14104, 17630, 18040, 18920, 19393, 28208, 35260, 36080, 37840, 38786, 70520, 77572, 96965, 141040, 155144, 193930, 310288, 387860, 775720, 1551440]

約数ペア:

[(1, 1551440), (2, 775720), (4, 387860), (5, 310288), (8, 193930), (10, 155144), (11, 141040), (16, 96965), (20, 77572), (22, 70520), (40, 38786), (41, 37840), (43, 36080), (44, 35260), (55, 28208), (80, 19393), (82, 18920), (86, 18040), (88, 17630), (110, 14104), (164, 9460), (172, 9020), (176, 8815), (205, 7568), (215, 7216), (220, 7052), (328, 4730), (344, 4510), (410, 3784), (430, 3608), (440, 3526), (451, 3440), (473, 3280), (656, 2365), (688, 2255), (820, 1892), (860, 1804), (880, 1763), (902, 1720), (946, 1640)]