678264080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{857}}^1$

素因数の和:1644

約数の個数: 80

約数和(自身を含む): 1702484784

約数和(自身を除く): 1024220704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 761, 857, 1040, 1522, 1714, 3044, 3428, 3805, 4285, 6088, 6856, 7610, 8570, 9893, 11141, 12176, 13712, 15220, 17140, 19786, 22282, 30440, 34280, 39572, 44564, 49465, 55705, 60880, 68560, 79144, 89128, 98930, 111410, 158288, 178256, 197860, 222820, 395720, 445640, 652177, 791440, 891280, 1304354, 2608708, 3260885, 5217416, 6521770, 8478301, 10434832, 13043540, 16956602, 26087080, 33913204, 42391505, 52174160, 67826408, 84783010, 135652816, 169566020, 339132040, 678264080]

約数ペア:

[(1, 678264080), (2, 339132040), (4, 169566020), (5, 135652816), (8, 84783010), (10, 67826408), (13, 52174160), (16, 42391505), (20, 33913204), (26, 26087080), (40, 16956602), (52, 13043540), (65, 10434832), (80, 8478301), (104, 6521770), (130, 5217416), (208, 3260885), (260, 2608708), (520, 1304354), (761, 891280), (857, 791440), (1040, 652177), (1522, 445640), (1714, 395720), (3044, 222820), (3428, 197860), (3805, 178256), (4285, 158288), (6088, 111410), (6856, 98930), (7610, 89128), (8570, 79144), (9893, 68560), (11141, 60880), (12176, 55705), (13712, 49465), (15220, 44564), (17140, 39572), (19786, 34280), (22282, 30440)]