81553776

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 223319040

約数和(自身を除く): 141765264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 223, 228, 304, 401, 446, 456, 669, 802, 892, 912, 1203, 1338, 1604, 1784, 2406, 2676, 3208, 3568, 4237, 4812, 5352, 6416, 7619, 8474, 9624, 10704, 12711, 15238, 16948, 19248, 22857, 25422, 30476, 33896, 45714, 50844, 60952, 67792, 89423, 91428, 101688, 121904, 178846, 182856, 203376, 268269, 357692, 365712, 536538, 715384, 1073076, 1430768, 1699037, 2146152, 3398074, 4292304, 5097111, 6796148, 10194222, 13592296, 20388444, 27184592, 40776888, 81553776]

約数ペア:

[(1, 81553776), (2, 40776888), (3, 27184592), (4, 20388444), (6, 13592296), (8, 10194222), (12, 6796148), (16, 5097111), (19, 4292304), (24, 3398074), (38, 2146152), (48, 1699037), (57, 1430768), (76, 1073076), (114, 715384), (152, 536538), (223, 365712), (228, 357692), (304, 268269), (401, 203376), (446, 182856), (456, 178846), (669, 121904), (802, 101688), (892, 91428), (912, 89423), (1203, 67792), (1338, 60952), (1604, 50844), (1784, 45714), (2406, 33896), (2676, 30476), (3208, 25422), (3568, 22857), (4237, 19248), (4812, 16948), (5352, 15238), (6416, 12711), (7619, 10704), (8474, 9624)]