85688680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 160655000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 473, 602, 616, 647, 770, 860, 946, 1204, 1294, 1505, 1540, 1720, 1892, 2365, 2408, 2588, 3010, 3080, 3235, 3311, 3784, 4529, 4730, 5176, 6020, 6470, 6622, 7117, 9058, 9460, 12040, 12940, 13244, 14234, 16555, 18116, 18920, 22645, 25880, 26488, 27821, 28468, 33110, 35585, 36232, 45290, 49819, 55642, 56936, 66220, 71170, 90580, 99638, 111284, 132440, 139105, 142340, 181160, 194747, 199276, 222568, 249095, 278210, 284680, 306031, 389494, 398552, 498190, 556420, 612062, 778988, 973735, 996380, 1112840, 1224124, 1530155, 1557976, 1947470, 1992760, 2142217, 2448248, 3060310, 3894940, 4284434, 6120620, 7789880, 8568868, 10711085, 12241240, 17137736, 21422170, 42844340, 85688680]

約数ペア:

[(1, 85688680), (2, 42844340), (4, 21422170), (5, 17137736), (7, 12241240), (8, 10711085), (10, 8568868), (11, 7789880), (14, 6120620), (20, 4284434), (22, 3894940), (28, 3060310), (35, 2448248), (40, 2142217), (43, 1992760), (44, 1947470), (55, 1557976), (56, 1530155), (70, 1224124), (77, 1112840), (86, 996380), (88, 973735), (110, 778988), (140, 612062), (154, 556420), (172, 498190), (215, 398552), (220, 389494), (280, 306031), (301, 284680), (308, 278210), (344, 249095), (385, 222568), (430, 199276), (440, 194747), (473, 181160), (602, 142340), (616, 139105), (647, 132440), (770, 111284), (860, 99638), (946, 90580), (1204, 71170), (1294, 66220), (1505, 56936), (1540, 55642), (1720, 49819), (1892, 45290), (2365, 36232), (2408, 35585), (2588, 33110), (3010, 28468), (3080, 27821), (3235, 26488), (3311, 25880), (3784, 22645), (4529, 18920), (4730, 18116), (5176, 16555), (6020, 14234), (6470, 13244), (6622, 12940), (7117, 12040), (9058, 9460)]