30978880

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:887

約数の個数: 56

約数和(自身を含む): 74432160

約数和(自身を除く): 43453280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 739, 1048, 1310, 1478, 2096, 2620, 2956, 3695, 4192, 5240, 5912, 7390, 8384, 10480, 11824, 14780, 20960, 23648, 29560, 41920, 47296, 59120, 96809, 118240, 193618, 236480, 387236, 484045, 774472, 968090, 1548944, 1936180, 3097888, 3872360, 6195776, 7744720, 15489440, 30978880]

約数ペア:

[(1, 30978880), (2, 15489440), (4, 7744720), (5, 6195776), (8, 3872360), (10, 3097888), (16, 1936180), (20, 1548944), (32, 968090), (40, 774472), (64, 484045), (80, 387236), (131, 236480), (160, 193618), (262, 118240), (320, 96809), (524, 59120), (655, 47296), (739, 41920), (1048, 29560), (1310, 23648), (1478, 20960), (2096, 14780), (2620, 11824), (2956, 10480), (3695, 8384), (4192, 7390), (5240, 5912)]