28771440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{119881}}^1$

素因数の和:119897

約数の個数: 40

約数和(自身を含む): 89192208

約数和(自身を除く): 60420768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 119881, 239762, 359643, 479524, 599405, 719286, 959048, 1198810, 1438572, 1798215, 1918096, 2397620, 2877144, 3596430, 4795240, 5754288, 7192860, 9590480, 14385720, 28771440]

約数ペア:

[(1, 28771440), (2, 14385720), (3, 9590480), (4, 7192860), (5, 5754288), (6, 4795240), (8, 3596430), (10, 2877144), (12, 2397620), (15, 1918096), (16, 1798215), (20, 1438572), (24, 1198810), (30, 959048), (40, 719286), (48, 599405), (60, 479524), (80, 359643), (120, 239762), (240, 119881)]