12780128340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{10142959}}^1$

素因数の和:10142981

約数の個数: 72

約数和(自身を含む): 44304449280

約数和(自身を除く): 31524320940

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, 10142959, 20285918, 30428877, 40571836, 50714795, 60857754, 71000713, 91286631, 101429590, 121715508, 142001426, 152144385, 182573262, 202859180, 213002139, 284002852, 304288770, 355003565, 365146524, 426004278, 456433155, 608577540, 639006417, 710007130, 852008556, 912866310, 1065010695, 1278012834, 1420014260, 1825732620, 2130021390, 2556025668, 3195032085, 4260042780, 6390064170, 12780128340]

約数ペア:

[(1, 12780128340), (2, 6390064170), (3, 4260042780), (4, 3195032085), (5, 2556025668), (6, 2130021390), (7, 1825732620), (9, 1420014260), (10, 1278012834), (12, 1065010695), (14, 912866310), (15, 852008556), (18, 710007130), (20, 639006417), (21, 608577540), (28, 456433155), (30, 426004278), (35, 365146524), (36, 355003565), (42, 304288770), (45, 284002852), (60, 213002139), (63, 202859180), (70, 182573262), (84, 152144385), (90, 142001426), (105, 121715508), (126, 101429590), (140, 91286631), (180, 71000713), (210, 60857754), (252, 50714795), (315, 40571836), (420, 30428877), (630, 20285918), (1260, 10142959)]