15567380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 34058640

約数和(自身を除く): 18491260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 193, 218, 370, 386, 436, 545, 740, 772, 965, 1090, 1930, 2180, 3860, 4033, 7141, 8066, 14282, 16132, 20165, 21037, 28564, 35705, 40330, 42074, 71410, 80660, 84148, 105185, 142820, 210370, 420740, 778369, 1556738, 3113476, 3891845, 7783690, 15567380]

約数ペア:

[(1, 15567380), (2, 7783690), (4, 3891845), (5, 3113476), (10, 1556738), (20, 778369), (37, 420740), (74, 210370), (109, 142820), (148, 105185), (185, 84148), (193, 80660), (218, 71410), (370, 42074), (386, 40330), (436, 35705), (545, 28564), (740, 21037), (772, 20165), (965, 16132), (1090, 14282), (1930, 8066), (2180, 7141), (3860, 4033)]