61123020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{145531}}^1$

素因数の和:145550

約数の個数: 48

約数和(自身を含む): 195595008

約数和(自身を除く): 134471988

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, 145531, 291062, 436593, 582124, 727655, 873186, 1018717, 1455310, 1746372, 2037434, 2182965, 2910620, 3056151, 4074868, 4365930, 5093585, 6112302, 8731860, 10187170, 12224604, 15280755, 20374340, 30561510, 61123020]

約数ペア:

[(1, 61123020), (2, 30561510), (3, 20374340), (4, 15280755), (5, 12224604), (6, 10187170), (7, 8731860), (10, 6112302), (12, 5093585), (14, 4365930), (15, 4074868), (20, 3056151), (21, 2910620), (28, 2182965), (30, 2037434), (35, 1746372), (42, 1455310), (60, 1018717), (70, 873186), (84, 727655), (105, 582124), (140, 436593), (210, 291062), (420, 145531)]