155275440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{646981}}^1$

素因数の和:646997

約数の個数: 40

約数和(自身を含む): 481354608

約数和(自身を除く): 326079168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 646981, 1293962, 1940943, 2587924, 3234905, 3881886, 5175848, 6469810, 7763772, 9704715, 10351696, 12939620, 15527544, 19409430, 25879240, 31055088, 38818860, 51758480, 77637720, 155275440]

約数ペア:

[(1, 155275440), (2, 77637720), (3, 51758480), (4, 38818860), (5, 31055088), (6, 25879240), (8, 19409430), (10, 15527544), (12, 12939620), (15, 10351696), (16, 9704715), (20, 7763772), (24, 6469810), (30, 5175848), (40, 3881886), (48, 3234905), (60, 2587924), (80, 1940943), (120, 1293962), (240, 646981)]