18432720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25601}}^1$

素因数の和:25620

約数の個数: 60

約数和(自身を含む): 61905636

約数和(自身を除く): 43472916

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25601, 51202, 76803, 102404, 128005, 153606, 204808, 230409, 256010, 307212, 384015, 409616, 460818, 512020, 614424, 768030, 921636, 1024040, 1152045, 1228848, 1536060, 1843272, 2048080, 2304090, 3072120, 3686544, 4608180, 6144240, 9216360, 18432720]

約数ペア:

[(1, 18432720), (2, 9216360), (3, 6144240), (4, 4608180), (5, 3686544), (6, 3072120), (8, 2304090), (9, 2048080), (10, 1843272), (12, 1536060), (15, 1228848), (16, 1152045), (18, 1024040), (20, 921636), (24, 768030), (30, 614424), (36, 512020), (40, 460818), (45, 409616), (48, 384015), (60, 307212), (72, 256010), (80, 230409), (90, 204808), (120, 153606), (144, 128005), (180, 102404), (240, 76803), (360, 51202), (720, 25601)]