123182920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2543}}^1$

素因数の和:2734

約数の個数: 64

約数和(自身を含む): 318712320

約数和(自身を除く): 195529400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1730, 2422, 2543, 3460, 4844, 5086, 6055, 6920, 9688, 10172, 12110, 12715, 17801, 20344, 24220, 25430, 35602, 48440, 50860, 71204, 89005, 101720, 142408, 178010, 356020, 439939, 712040, 879878, 1759756, 2199695, 3079573, 3519512, 4399390, 6159146, 8798780, 12318292, 15397865, 17597560, 24636584, 30795730, 61591460, 123182920]

約数ペア:

[(1, 123182920), (2, 61591460), (4, 30795730), (5, 24636584), (7, 17597560), (8, 15397865), (10, 12318292), (14, 8798780), (20, 6159146), (28, 4399390), (35, 3519512), (40, 3079573), (56, 2199695), (70, 1759756), (140, 879878), (173, 712040), (280, 439939), (346, 356020), (692, 178010), (865, 142408), (1211, 101720), (1384, 89005), (1730, 71204), (2422, 50860), (2543, 48440), (3460, 35602), (4844, 25430), (5086, 24220), (6055, 20344), (6920, 17801), (9688, 12715), (10172, 12110)]