72917680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 197987328

約数和(自身を除く): 125069648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 43, 44, 47, 55, 80, 82, 86, 88, 94, 110, 164, 172, 176, 188, 205, 215, 220, 235, 328, 344, 376, 410, 430, 440, 451, 470, 473, 517, 656, 688, 752, 820, 860, 880, 902, 940, 946, 1034, 1640, 1720, 1763, 1804, 1880, 1892, 1927, 2021, 2068, 2255, 2365, 2585, 3280, 3440, 3526, 3608, 3760, 3784, 3854, 4042, 4136, 4510, 4730, 5170, 7052, 7216, 7568, 7708, 8084, 8272, 8815, 9020, 9460, 9635, 10105, 10340, 14104, 15416, 16168, 17630, 18040, 18920, 19270, 19393, 20210, 20680, 21197, 22231, 28208, 30832, 32336, 35260, 36080, 37840, 38540, 38786, 40420, 41360, 42394, 44462, 70520, 77080, 77572, 80840, 82861, 84788, 88924, 96965, 105985, 111155, 141040, 154160, 155144, 161680, 165722, 169576, 177848, 193930, 211970, 222310, 310288, 331444, 339152, 355696, 387860, 414305, 423940, 444620, 662888, 775720, 828610, 847880, 889240, 911471, 1325776, 1551440, 1657220, 1695760, 1778480, 1822942, 3314440, 3645884, 4557355, 6628880, 7291768, 9114710, 14583536, 18229420, 36458840, 72917680]

約数ペア:

[(1, 72917680), (2, 36458840), (4, 18229420), (5, 14583536), (8, 9114710), (10, 7291768), (11, 6628880), (16, 4557355), (20, 3645884), (22, 3314440), (40, 1822942), (41, 1778480), (43, 1695760), (44, 1657220), (47, 1551440), (55, 1325776), (80, 911471), (82, 889240), (86, 847880), (88, 828610), (94, 775720), (110, 662888), (164, 444620), (172, 423940), (176, 414305), (188, 387860), (205, 355696), (215, 339152), (220, 331444), (235, 310288), (328, 222310), (344, 211970), (376, 193930), (410, 177848), (430, 169576), (440, 165722), (451, 161680), (470, 155144), (473, 154160), (517, 141040), (656, 111155), (688, 105985), (752, 96965), (820, 88924), (860, 84788), (880, 82861), (902, 80840), (940, 77572), (946, 77080), (1034, 70520), (1640, 44462), (1720, 42394), (1763, 41360), (1804, 40420), (1880, 38786), (1892, 38540), (1927, 37840), (2021, 36080), (2068, 35260), (2255, 32336), (2365, 30832), (2585, 28208), (3280, 22231), (3440, 21197), (3526, 20680), (3608, 20210), (3760, 19393), (3784, 19270), (3854, 18920), (4042, 18040), (4136, 17630), (4510, 16168), (4730, 15416), (5170, 14104), (7052, 10340), (7216, 10105), (7568, 9635), (7708, 9460), (8084, 9020), (8272, 8815)]