312880680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{17737}}^1$

素因数の和:17768

約数の個数: 144

約数和(自身を含む): 1182947220

約数和(自身を除く): 870066540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 17737, 35474, 53211, 70948, 88685, 106422, 124159, 141896, 159633, 177370, 212844, 248318, 266055, 319266, 354740, 372477, 425688, 496636, 532110, 620795, 638532, 709480, 744954, 798165, 869113, 993272, 1064220, 1117431, 1241590, 1277064, 1489908, 1596330, 1738226, 1862385, 2128440, 2234862, 2483180, 2607339, 2979816, 3192660, 3476452, 3724770, 4345565, 4469724, 4966360, 5214678, 5587155, 6385320, 6952904, 7449540, 7822017, 8691130, 8939448, 10429356, 11174310, 13036695, 14899080, 15644034, 17382260, 20858712, 22348620, 26073390, 31288068, 34764520, 39110085, 44697240, 52146780, 62576136, 78220170, 104293560, 156440340, 312880680]

約数ペア:

[(1, 312880680), (2, 156440340), (3, 104293560), (4, 78220170), (5, 62576136), (6, 52146780), (7, 44697240), (8, 39110085), (9, 34764520), (10, 31288068), (12, 26073390), (14, 22348620), (15, 20858712), (18, 17382260), (20, 15644034), (21, 14899080), (24, 13036695), (28, 11174310), (30, 10429356), (35, 8939448), (36, 8691130), (40, 7822017), (42, 7449540), (45, 6952904), (49, 6385320), (56, 5587155), (60, 5214678), (63, 4966360), (70, 4469724), (72, 4345565), (84, 3724770), (90, 3476452), (98, 3192660), (105, 2979816), (120, 2607339), (126, 2483180), (140, 2234862), (147, 2128440), (168, 1862385), (180, 1738226), (196, 1596330), (210, 1489908), (245, 1277064), (252, 1241590), (280, 1117431), (294, 1064220), (315, 993272), (360, 869113), (392, 798165), (420, 744954), (441, 709480), (490, 638532), (504, 620795), (588, 532110), (630, 496636), (735, 425688), (840, 372477), (882, 354740), (980, 319266), (1176, 266055), (1260, 248318), (1470, 212844), (1764, 177370), (1960, 159633), (2205, 141896), (2520, 124159), (2940, 106422), (3528, 88685), (4410, 70948), (5880, 53211), (8820, 35474), (17640, 17737)]