209691720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27737}}^1$

素因数の和:27764

約数の個数: 128

約数和(自身を含む): 798854400

約数和(自身を除く): 589162680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27737, 55474, 83211, 110948, 138685, 166422, 194159, 221896, 249633, 277370, 332844, 388318, 416055, 499266, 554740, 582477, 665688, 748899, 776636, 832110, 970795, 998532, 1109480, 1164954, 1248165, 1497798, 1553272, 1664220, 1747431, 1941590, 1997064, 2329908, 2496330, 2912385, 2995596, 3328440, 3494862, 3744495, 3883180, 4659816, 4992660, 5242293, 5824770, 5991192, 6989724, 7488990, 7766360, 8737155, 9985320, 10484586, 11649540, 13979448, 14977980, 17474310, 20969172, 23299080, 26211465, 29955960, 34948620, 41938344, 52422930, 69897240, 104845860, 209691720]

約数ペア:

[(1, 209691720), (2, 104845860), (3, 69897240), (4, 52422930), (5, 41938344), (6, 34948620), (7, 29955960), (8, 26211465), (9, 23299080), (10, 20969172), (12, 17474310), (14, 14977980), (15, 13979448), (18, 11649540), (20, 10484586), (21, 9985320), (24, 8737155), (27, 7766360), (28, 7488990), (30, 6989724), (35, 5991192), (36, 5824770), (40, 5242293), (42, 4992660), (45, 4659816), (54, 3883180), (56, 3744495), (60, 3494862), (63, 3328440), (70, 2995596), (72, 2912385), (84, 2496330), (90, 2329908), (105, 1997064), (108, 1941590), (120, 1747431), (126, 1664220), (135, 1553272), (140, 1497798), (168, 1248165), (180, 1164954), (189, 1109480), (210, 998532), (216, 970795), (252, 832110), (270, 776636), (280, 748899), (315, 665688), (360, 582477), (378, 554740), (420, 499266), (504, 416055), (540, 388318), (630, 332844), (756, 277370), (840, 249633), (945, 221896), (1080, 194159), (1260, 166422), (1512, 138685), (1890, 110948), (2520, 83211), (3780, 55474), (7560, 27737)]