28284780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{599}}^1\times {\mathrm{787}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 79430400

約数和(自身を除く): 51145620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 599, 787, 1198, 1574, 1797, 2361, 2396, 2995, 3148, 3594, 3935, 4722, 5990, 7188, 7870, 8985, 9444, 11805, 11980, 15740, 17970, 23610, 35940, 47220, 471413, 942826, 1414239, 1885652, 2357065, 2828478, 4714130, 5656956, 7071195, 9428260, 14142390, 28284780]

約数ペア:

[(1, 28284780), (2, 14142390), (3, 9428260), (4, 7071195), (5, 5656956), (6, 4714130), (10, 2828478), (12, 2357065), (15, 1885652), (20, 1414239), (30, 942826), (60, 471413), (599, 47220), (787, 35940), (1198, 23610), (1574, 17970), (1797, 15740), (2361, 11980), (2396, 11805), (2995, 9444), (3148, 8985), (3594, 7870), (3935, 7188), (4722, 5990)]