1245312180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{988343}}^1$

素因数の和:988365

約数の個数: 72

約数和(自身を含む): 4317086592

約数和(自身を除く): 3071774412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 988343, 1976686, 2965029, 3953372, 4941715, 5930058, 6918401, 8895087, 9883430, 11860116, 13836802, 14825145, 17790174, 19766860, 20755203, 27673604, 29650290, 34592005, 35580348, 41510406, 44475435, 59300580, 62265609, 69184010, 83020812, 88950870, 103776015, 124531218, 138368020, 177901740, 207552030, 249062436, 311328045, 415104060, 622656090, 1245312180]

約数ペア:

[(1, 1245312180), (2, 622656090), (3, 415104060), (4, 311328045), (5, 249062436), (6, 207552030), (7, 177901740), (9, 138368020), (10, 124531218), (12, 103776015), (14, 88950870), (15, 83020812), (18, 69184010), (20, 62265609), (21, 59300580), (28, 44475435), (30, 41510406), (35, 35580348), (36, 34592005), (42, 29650290), (45, 27673604), (60, 20755203), (63, 19766860), (70, 17790174), (84, 14825145), (90, 13836802), (105, 11860116), (126, 9883430), (140, 8895087), (180, 6918401), (210, 5930058), (252, 4941715), (315, 3953372), (420, 2965029), (630, 1976686), (1260, 988343)]