268440060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639143}}^1$

素因数の和:639162

約数の個数: 48

約数和(自身を含む): 859009536

約数和(自身を除く): 590569476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 639143, 1278286, 1917429, 2556572, 3195715, 3834858, 4474001, 6391430, 7669716, 8948002, 9587145, 12782860, 13422003, 17896004, 19174290, 22370005, 26844006, 38348580, 44740010, 53688012, 67110015, 89480020, 134220030, 268440060]

約数ペア:

[(1, 268440060), (2, 134220030), (3, 89480020), (4, 67110015), (5, 53688012), (6, 44740010), (7, 38348580), (10, 26844006), (12, 22370005), (14, 19174290), (15, 17896004), (20, 13422003), (21, 12782860), (28, 9587145), (30, 8948002), (35, 7669716), (42, 6391430), (60, 4474001), (70, 3834858), (84, 3195715), (105, 2556572), (140, 1917429), (210, 1278286), (420, 639143)]