77923020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185531}}^1$

素因数の和:185550

約数の個数: 48

約数和(自身を含む): 249355008

約数和(自身を除く): 171431988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185531, 371062, 556593, 742124, 927655, 1113186, 1298717, 1855310, 2226372, 2597434, 2782965, 3710620, 3896151, 5194868, 5565930, 6493585, 7792302, 11131860, 12987170, 15584604, 19480755, 25974340, 38961510, 77923020]

約数ペア:

[(1, 77923020), (2, 38961510), (3, 25974340), (4, 19480755), (5, 15584604), (6, 12987170), (7, 11131860), (10, 7792302), (12, 6493585), (14, 5565930), (15, 5194868), (20, 3896151), (21, 3710620), (28, 2782965), (30, 2597434), (35, 2226372), (42, 1855310), (60, 1298717), (70, 1113186), (84, 927655), (105, 742124), (140, 556593), (210, 371062), (420, 185531)]