55020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 177408

約数和(自身を除く): 122388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 131, 140, 210, 262, 393, 420, 524, 655, 786, 917, 1310, 1572, 1834, 1965, 2620, 2751, 3668, 3930, 4585, 5502, 7860, 9170, 11004, 13755, 18340, 27510, 55020]

約数ペア:

[(1, 55020), (2, 27510), (3, 18340), (4, 13755), (5, 11004), (6, 9170), (7, 7860), (10, 5502), (12, 4585), (14, 3930), (15, 3668), (20, 2751), (21, 2620), (28, 1965), (30, 1834), (35, 1572), (42, 1310), (60, 917), (70, 786), (84, 655), (105, 524), (131, 420), (140, 393), (210, 262)]