138555540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1607}}^1$

素因数の和:2101

約数の個数: 72

約数和(自身を含む): 421424640

約数和(自身を除く): 282869100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1607, 1916, 2395, 2874, 3214, 4311, 4790, 4821, 5748, 6428, 7185, 8035, 8622, 9580, 9642, 14370, 14463, 16070, 17244, 19284, 21555, 24105, 28740, 28926, 32140, 43110, 48210, 57852, 72315, 86220, 96420, 144630, 289260, 769753, 1539506, 2309259, 3079012, 3848765, 4618518, 6927777, 7697530, 9237036, 11546295, 13855554, 15395060, 23092590, 27711108, 34638885, 46185180, 69277770, 138555540]

約数ペア:

[(1, 138555540), (2, 69277770), (3, 46185180), (4, 34638885), (5, 27711108), (6, 23092590), (9, 15395060), (10, 13855554), (12, 11546295), (15, 9237036), (18, 7697530), (20, 6927777), (30, 4618518), (36, 3848765), (45, 3079012), (60, 2309259), (90, 1539506), (180, 769753), (479, 289260), (958, 144630), (1437, 96420), (1607, 86220), (1916, 72315), (2395, 57852), (2874, 48210), (3214, 43110), (4311, 32140), (4790, 28926), (4821, 28740), (5748, 24105), (6428, 21555), (7185, 19284), (8035, 17244), (8622, 16070), (9580, 14463), (9642, 14370)]