78896340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{438313}}^1$

素因数の和:438328

約数の個数: 36

約数和(自身を含む): 239319444

約数和(自身を除く): 160423104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 438313, 876626, 1314939, 1753252, 2191565, 2629878, 3944817, 4383130, 5259756, 6574695, 7889634, 8766260, 13149390, 15779268, 19724085, 26298780, 39448170, 78896340]

約数ペア:

[(1, 78896340), (2, 39448170), (3, 26298780), (4, 19724085), (5, 15779268), (6, 13149390), (9, 8766260), (10, 7889634), (12, 6574695), (15, 5259756), (18, 4383130), (20, 3944817), (30, 2629878), (36, 2191565), (45, 1753252), (60, 1314939), (90, 876626), (180, 438313)]