55778940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{44269}}^1$

素因数の和:44291

約数の個数: 72

約数和(自身を含む): 193371360

約数和(自身を除く): 137592420

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, 44269, 88538, 132807, 177076, 221345, 265614, 309883, 398421, 442690, 531228, 619766, 664035, 796842, 885380, 929649, 1239532, 1328070, 1549415, 1593684, 1859298, 1992105, 2656140, 2788947, 3098830, 3718596, 3984210, 4648245, 5577894, 6197660, 7968420, 9296490, 11155788, 13944735, 18592980, 27889470, 55778940]

約数ペア:

[(1, 55778940), (2, 27889470), (3, 18592980), (4, 13944735), (5, 11155788), (6, 9296490), (7, 7968420), (9, 6197660), (10, 5577894), (12, 4648245), (14, 3984210), (15, 3718596), (18, 3098830), (20, 2788947), (21, 2656140), (28, 1992105), (30, 1859298), (35, 1593684), (36, 1549415), (42, 1328070), (45, 1239532), (60, 929649), (63, 885380), (70, 796842), (84, 664035), (90, 619766), (105, 531228), (126, 442690), (140, 398421), (180, 309883), (210, 265614), (252, 221345), (315, 177076), (420, 132807), (630, 88538), (1260, 44269)]