29971520

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:655

約数の個数: 56

約数和(自身を含む): 71856600

約数和(自身を除く): 41885080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 409, 458, 818, 916, 1145, 1636, 1832, 2045, 2290, 3272, 3664, 4090, 4580, 6544, 7328, 8180, 9160, 13088, 14656, 16360, 18320, 26176, 32720, 36640, 65440, 73280, 93661, 130880, 187322, 374644, 468305, 749288, 936610, 1498576, 1873220, 2997152, 3746440, 5994304, 7492880, 14985760, 29971520]

約数ペア:

[(1, 29971520), (2, 14985760), (4, 7492880), (5, 5994304), (8, 3746440), (10, 2997152), (16, 1873220), (20, 1498576), (32, 936610), (40, 749288), (64, 468305), (80, 374644), (160, 187322), (229, 130880), (320, 93661), (409, 73280), (458, 65440), (818, 36640), (916, 32720), (1145, 26176), (1636, 18320), (1832, 16360), (2045, 14656), (2290, 13088), (3272, 9160), (3664, 8180), (4090, 7328), (4580, 6544)]