161253540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127979}}^1$

素因数の和:128001

約数の個数: 72

約数和(自身を含む): 559016640

約数和(自身を除く): 397763100

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, 127979, 255958, 383937, 511916, 639895, 767874, 895853, 1151811, 1279790, 1535748, 1791706, 1919685, 2303622, 2559580, 2687559, 3583412, 3839370, 4479265, 4607244, 5375118, 5759055, 7678740, 8062677, 8958530, 10750236, 11518110, 13437795, 16125354, 17917060, 23036220, 26875590, 32250708, 40313385, 53751180, 80626770, 161253540]

約数ペア:

[(1, 161253540), (2, 80626770), (3, 53751180), (4, 40313385), (5, 32250708), (6, 26875590), (7, 23036220), (9, 17917060), (10, 16125354), (12, 13437795), (14, 11518110), (15, 10750236), (18, 8958530), (20, 8062677), (21, 7678740), (28, 5759055), (30, 5375118), (35, 4607244), (36, 4479265), (42, 3839370), (45, 3583412), (60, 2687559), (63, 2559580), (70, 2303622), (84, 1919685), (90, 1791706), (105, 1535748), (126, 1279790), (140, 1151811), (180, 895853), (210, 767874), (252, 639895), (315, 511916), (420, 383937), (630, 255958), (1260, 127979)]