81726260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53069}}^1$

素因数の和:53096

約数の個数: 48

約数和(自身を含む): 213978240

約数和(自身を除く): 132251980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 53069, 106138, 212276, 265345, 371483, 530690, 583759, 742966, 1061380, 1167518, 1485932, 1857415, 2335036, 2918795, 3714830, 4086313, 5837590, 7429660, 8172626, 11675180, 16345252, 20431565, 40863130, 81726260]

約数ペア:

[(1, 81726260), (2, 40863130), (4, 20431565), (5, 16345252), (7, 11675180), (10, 8172626), (11, 7429660), (14, 5837590), (20, 4086313), (22, 3714830), (28, 2918795), (35, 2335036), (44, 1857415), (55, 1485932), (70, 1167518), (77, 1061380), (110, 742966), (140, 583759), (154, 530690), (220, 371483), (308, 265345), (385, 212276), (770, 106138), (1540, 53069)]