51021180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40493}}^1$

素因数の和:40515

約数の個数: 72

約数和(自身を含む): 176877792

約数和(自身を除く): 125856612

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, 40493, 80986, 121479, 161972, 202465, 242958, 283451, 364437, 404930, 485916, 566902, 607395, 728874, 809860, 850353, 1133804, 1214790, 1417255, 1457748, 1700706, 1822185, 2429580, 2551059, 2834510, 3401412, 3644370, 4251765, 5102118, 5669020, 7288740, 8503530, 10204236, 12755295, 17007060, 25510590, 51021180]

約数ペア:

[(1, 51021180), (2, 25510590), (3, 17007060), (4, 12755295), (5, 10204236), (6, 8503530), (7, 7288740), (9, 5669020), (10, 5102118), (12, 4251765), (14, 3644370), (15, 3401412), (18, 2834510), (20, 2551059), (21, 2429580), (28, 1822185), (30, 1700706), (35, 1457748), (36, 1417255), (42, 1214790), (45, 1133804), (60, 850353), (63, 809860), (70, 728874), (84, 607395), (90, 566902), (105, 485916), (126, 404930), (140, 364437), (180, 283451), (210, 242958), (252, 202465), (315, 161972), (420, 121479), (630, 80986), (1260, 40493)]