1956780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1553}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 6787872

約数和(自身を除く): 4831092

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, 1553, 3106, 4659, 6212, 7765, 9318, 10871, 13977, 15530, 18636, 21742, 23295, 27954, 31060, 32613, 43484, 46590, 54355, 55908, 65226, 69885, 93180, 97839, 108710, 130452, 139770, 163065, 195678, 217420, 279540, 326130, 391356, 489195, 652260, 978390, 1956780]

約数ペア:

[(1, 1956780), (2, 978390), (3, 652260), (4, 489195), (5, 391356), (6, 326130), (7, 279540), (9, 217420), (10, 195678), (12, 163065), (14, 139770), (15, 130452), (18, 108710), (20, 97839), (21, 93180), (28, 69885), (30, 65226), (35, 55908), (36, 54355), (42, 46590), (45, 43484), (60, 32613), (63, 31060), (70, 27954), (84, 23295), (90, 21742), (105, 18636), (126, 15530), (140, 13977), (180, 10871), (210, 9318), (252, 7765), (315, 6212), (420, 4659), (630, 3106), (1260, 1553)]