204451440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{851881}}^1$

素因数の和:851897

約数の個数: 40

約数和(自身を含む): 633800208

約数和(自身を除く): 429348768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 851881, 1703762, 2555643, 3407524, 4259405, 5111286, 6815048, 8518810, 10222572, 12778215, 13630096, 17037620, 20445144, 25556430, 34075240, 40890288, 51112860, 68150480, 102225720, 204451440]

約数ペア:

[(1, 204451440), (2, 102225720), (3, 68150480), (4, 51112860), (5, 40890288), (6, 34075240), (8, 25556430), (10, 20445144), (12, 17037620), (15, 13630096), (16, 12778215), (20, 10222572), (24, 8518810), (30, 6815048), (40, 5111286), (48, 4259405), (60, 3407524), (80, 2555643), (120, 1703762), (240, 851881)]