163944180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1993}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 498635592

約数和(自身を除く): 334691412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1828, 1993, 2285, 2742, 3986, 4113, 4570, 5484, 5979, 6855, 7972, 8226, 9140, 9965, 11958, 13710, 16452, 17937, 19930, 20565, 23916, 27420, 29895, 35874, 39860, 41130, 59790, 71748, 82260, 89685, 119580, 179370, 358740, 910801, 1821602, 2732403, 3643204, 4554005, 5464806, 8197209, 9108010, 10929612, 13662015, 16394418, 18216020, 27324030, 32788836, 40986045, 54648060, 81972090, 163944180]

約数ペア:

[(1, 163944180), (2, 81972090), (3, 54648060), (4, 40986045), (5, 32788836), (6, 27324030), (9, 18216020), (10, 16394418), (12, 13662015), (15, 10929612), (18, 9108010), (20, 8197209), (30, 5464806), (36, 4554005), (45, 3643204), (60, 2732403), (90, 1821602), (180, 910801), (457, 358740), (914, 179370), (1371, 119580), (1828, 89685), (1993, 82260), (2285, 71748), (2742, 59790), (3986, 41130), (4113, 39860), (4570, 35874), (5484, 29895), (5979, 27420), (6855, 23916), (7972, 20565), (8226, 19930), (9140, 17937), (9965, 16452), (11958, 13710)]