1200780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{953}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 4167072

約数和(自身を除く): 2966292

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, 953, 1260, 1906, 2859, 3812, 4765, 5718, 6671, 8577, 9530, 11436, 13342, 14295, 17154, 19060, 20013, 26684, 28590, 33355, 34308, 40026, 42885, 57180, 60039, 66710, 80052, 85770, 100065, 120078, 133420, 171540, 200130, 240156, 300195, 400260, 600390, 1200780]

約数ペア:

[(1, 1200780), (2, 600390), (3, 400260), (4, 300195), (5, 240156), (6, 200130), (7, 171540), (9, 133420), (10, 120078), (12, 100065), (14, 85770), (15, 80052), (18, 66710), (20, 60039), (21, 57180), (28, 42885), (30, 40026), (35, 34308), (36, 33355), (42, 28590), (45, 26684), (60, 20013), (63, 19060), (70, 17154), (84, 14295), (90, 13342), (105, 11436), (126, 9530), (140, 8577), (180, 6671), (210, 5718), (252, 4765), (315, 3812), (420, 2859), (630, 1906), (953, 1260)]