195987780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1759}}^1$

素因数の和:2393

約数の個数: 72

約数和(自身を含む): 595795200

約数和(自身を除く): 399807420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1759, 1857, 2476, 3095, 3518, 3714, 5277, 5571, 6190, 7036, 7428, 8795, 9285, 10554, 11142, 12380, 15831, 17590, 18570, 21108, 22284, 26385, 27855, 31662, 35180, 37140, 52770, 55710, 63324, 79155, 105540, 111420, 158310, 316620, 1088821, 2177642, 3266463, 4355284, 5444105, 6532926, 9799389, 10888210, 13065852, 16332315, 19598778, 21776420, 32664630, 39197556, 48996945, 65329260, 97993890, 195987780]

約数ペア:

[(1, 195987780), (2, 97993890), (3, 65329260), (4, 48996945), (5, 39197556), (6, 32664630), (9, 21776420), (10, 19598778), (12, 16332315), (15, 13065852), (18, 10888210), (20, 9799389), (30, 6532926), (36, 5444105), (45, 4355284), (60, 3266463), (90, 2177642), (180, 1088821), (619, 316620), (1238, 158310), (1759, 111420), (1857, 105540), (2476, 79155), (3095, 63324), (3518, 55710), (3714, 52770), (5277, 37140), (5571, 35180), (6190, 31662), (7036, 27855), (7428, 26385), (8795, 22284), (9285, 21108), (10554, 18570), (11142, 17590), (12380, 15831)]