206613540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163979}}^1$

素因数の和:164001

約数の個数: 72

約数和(自身を含む): 716264640

約数和(自身を除く): 509651100

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, 163979, 327958, 491937, 655916, 819895, 983874, 1147853, 1475811, 1639790, 1967748, 2295706, 2459685, 2951622, 3279580, 3443559, 4591412, 4919370, 5739265, 5903244, 6887118, 7379055, 9838740, 10330677, 11478530, 13774236, 14758110, 17217795, 20661354, 22957060, 29516220, 34435590, 41322708, 51653385, 68871180, 103306770, 206613540]

約数ペア:

[(1, 206613540), (2, 103306770), (3, 68871180), (4, 51653385), (5, 41322708), (6, 34435590), (7, 29516220), (9, 22957060), (10, 20661354), (12, 17217795), (14, 14758110), (15, 13774236), (18, 11478530), (20, 10330677), (21, 9838740), (28, 7379055), (30, 6887118), (35, 5903244), (36, 5739265), (42, 4919370), (45, 4591412), (60, 3443559), (63, 3279580), (70, 2951622), (84, 2459685), (90, 2295706), (105, 1967748), (126, 1639790), (140, 1475811), (180, 1147853), (210, 983874), (252, 819895), (315, 655916), (420, 491937), (630, 327958), (1260, 163979)]