68112520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{243259}}^1$

素因数の和:243277

約数の個数: 32

約数和(自身を含む): 175147200

約数和(自身を除く): 107034680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 243259, 486518, 973036, 1216295, 1702813, 1946072, 2432590, 3405626, 4865180, 6811252, 8514065, 9730360, 13622504, 17028130, 34056260, 68112520]

約数ペア:

[(1, 68112520), (2, 34056260), (4, 17028130), (5, 13622504), (7, 9730360), (8, 8514065), (10, 6811252), (14, 4865180), (20, 3405626), (28, 2432590), (35, 1946072), (40, 1702813), (56, 1216295), (70, 973036), (140, 486518), (280, 243259)]