15438360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{18379}}^1$

素因数の和:18400

約数の個数: 64

約数和(自身を含む): 52934400

約数和(自身を除く): 37496040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 18379, 36758, 55137, 73516, 91895, 110274, 128653, 147032, 183790, 220548, 257306, 275685, 367580, 385959, 441096, 514612, 551370, 643265, 735160, 771918, 1029224, 1102740, 1286530, 1543836, 1929795, 2205480, 2573060, 3087672, 3859590, 5146120, 7719180, 15438360]

約数ペア:

[(1, 15438360), (2, 7719180), (3, 5146120), (4, 3859590), (5, 3087672), (6, 2573060), (7, 2205480), (8, 1929795), (10, 1543836), (12, 1286530), (14, 1102740), (15, 1029224), (20, 771918), (21, 735160), (24, 643265), (28, 551370), (30, 514612), (35, 441096), (40, 385959), (42, 367580), (56, 275685), (60, 257306), (70, 220548), (84, 183790), (105, 147032), (120, 128653), (140, 110274), (168, 91895), (210, 73516), (280, 55137), (420, 36758), (840, 18379)]