7784880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 24403200

約数和(自身を除く): 16618320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 199, 240, 326, 398, 489, 597, 652, 796, 815, 978, 995, 1194, 1304, 1592, 1630, 1956, 1990, 2388, 2445, 2608, 2985, 3184, 3260, 3912, 3980, 4776, 4890, 5970, 6520, 7824, 7960, 9552, 9780, 11940, 13040, 15920, 19560, 23880, 32437, 39120, 47760, 64874, 97311, 129748, 162185, 194622, 259496, 324370, 389244, 486555, 518992, 648740, 778488, 973110, 1297480, 1556976, 1946220, 2594960, 3892440, 7784880]

約数ペア:

[(1, 7784880), (2, 3892440), (3, 2594960), (4, 1946220), (5, 1556976), (6, 1297480), (8, 973110), (10, 778488), (12, 648740), (15, 518992), (16, 486555), (20, 389244), (24, 324370), (30, 259496), (40, 194622), (48, 162185), (60, 129748), (80, 97311), (120, 64874), (163, 47760), (199, 39120), (240, 32437), (326, 23880), (398, 19560), (489, 15920), (597, 13040), (652, 11940), (796, 9780), (815, 9552), (978, 7960), (995, 7824), (1194, 6520), (1304, 5970), (1592, 4890), (1630, 4776), (1956, 3980), (1990, 3912), (2388, 3260), (2445, 3184), (2608, 2985)]