256435440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068481}}^1$

素因数の和:1068497

約数の個数: 40

約数和(自身を含む): 794950608

約数和(自身を除く): 538515168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068481, 2136962, 3205443, 4273924, 5342405, 6410886, 8547848, 10684810, 12821772, 16027215, 17095696, 21369620, 25643544, 32054430, 42739240, 51287088, 64108860, 85478480, 128217720, 256435440]

約数ペア:

[(1, 256435440), (2, 128217720), (3, 85478480), (4, 64108860), (5, 51287088), (6, 42739240), (8, 32054430), (10, 25643544), (12, 21369620), (15, 17095696), (16, 16027215), (20, 12821772), (24, 10684810), (30, 8547848), (40, 6410886), (48, 5342405), (60, 4273924), (80, 3205443), (120, 2136962), (240, 1068481)]