30961980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{8191}}^1$

素因数の和:8216

約数の個数: 96

約数和(自身を含む): 110100480

約数和(自身を除く): 79138500

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, 8191, 16382, 24573, 32764, 40955, 49146, 57337, 73719, 81910, 98292, 114674, 122865, 147438, 163820, 172011, 221157, 229348, 245730, 286685, 294876, 344022, 368595, 442314, 491460, 516033, 573370, 688044, 737190, 860055, 884628, 1032066, 1105785, 1146740, 1474380, 1548099, 1720110, 2064132, 2211570, 2580165, 3096198, 3440220, 4423140, 5160330, 6192396, 7740495, 10320660, 15480990, 30961980]

約数ペア:

[(1, 30961980), (2, 15480990), (3, 10320660), (4, 7740495), (5, 6192396), (6, 5160330), (7, 4423140), (9, 3440220), (10, 3096198), (12, 2580165), (14, 2211570), (15, 2064132), (18, 1720110), (20, 1548099), (21, 1474380), (27, 1146740), (28, 1105785), (30, 1032066), (35, 884628), (36, 860055), (42, 737190), (45, 688044), (54, 573370), (60, 516033), (63, 491460), (70, 442314), (84, 368595), (90, 344022), (105, 294876), (108, 286685), (126, 245730), (135, 229348), (140, 221157), (180, 172011), (189, 163820), (210, 147438), (252, 122865), (270, 114674), (315, 98292), (378, 81910), (420, 73719), (540, 57337), (630, 49146), (756, 40955), (945, 32764), (1260, 24573), (1890, 16382), (3780, 8191)]