311286780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{82351}}^1$

素因数の和:82376

約数の個数: 96

約数和(自身を含む): 1106810880

約数和(自身を除く): 795524100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 82351, 164702, 247053, 329404, 411755, 494106, 576457, 741159, 823510, 988212, 1152914, 1235265, 1482318, 1647020, 1729371, 2223477, 2305828, 2470530, 2882285, 2964636, 3458742, 3705795, 4446954, 4941060, 5188113, 5764570, 6917484, 7411590, 8646855, 8893908, 10376226, 11117385, 11529140, 14823180, 15564339, 17293710, 20752452, 22234770, 25940565, 31128678, 34587420, 44469540, 51881130, 62257356, 77821695, 103762260, 155643390, 311286780]

約数ペア:

[(1, 311286780), (2, 155643390), (3, 103762260), (4, 77821695), (5, 62257356), (6, 51881130), (7, 44469540), (9, 34587420), (10, 31128678), (12, 25940565), (14, 22234770), (15, 20752452), (18, 17293710), (20, 15564339), (21, 14823180), (27, 11529140), (28, 11117385), (30, 10376226), (35, 8893908), (36, 8646855), (42, 7411590), (45, 6917484), (54, 5764570), (60, 5188113), (63, 4941060), (70, 4446954), (84, 3705795), (90, 3458742), (105, 2964636), (108, 2882285), (126, 2470530), (135, 2305828), (140, 2223477), (180, 1729371), (189, 1647020), (210, 1482318), (252, 1235265), (270, 1152914), (315, 988212), (378, 823510), (420, 741159), (540, 576457), (630, 494106), (756, 411755), (945, 329404), (1260, 247053), (1890, 164702), (3780, 82351)]