30865520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55117}}^1$

素因数の和:55137

約数の個数: 40

約数和(自身を含む): 82015584

約数和(自身を除く): 51150064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55117, 110234, 220468, 275585, 385819, 440936, 551170, 771638, 881872, 1102340, 1543276, 1929095, 2204680, 3086552, 3858190, 4409360, 6173104, 7716380, 15432760, 30865520]

約数ペア:

[(1, 30865520), (2, 15432760), (4, 7716380), (5, 6173104), (7, 4409360), (8, 3858190), (10, 3086552), (14, 2204680), (16, 1929095), (20, 1543276), (28, 1102340), (35, 881872), (40, 771638), (56, 551170), (70, 440936), (80, 385819), (112, 275585), (140, 220468), (280, 110234), (560, 55117)]