81659220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{25679}}^1$

素因数の和:25744

約数の個数: 48

約数和(自身を含む): 232968960

約数和(自身を除く): 151309740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 25679, 51358, 77037, 102716, 128395, 154074, 256790, 308148, 385185, 513580, 770370, 1360987, 1540740, 2721974, 4082961, 5443948, 6804935, 8165922, 13609870, 16331844, 20414805, 27219740, 40829610, 81659220]

約数ペア:

[(1, 81659220), (2, 40829610), (3, 27219740), (4, 20414805), (5, 16331844), (6, 13609870), (10, 8165922), (12, 6804935), (15, 5443948), (20, 4082961), (30, 2721974), (53, 1540740), (60, 1360987), (106, 770370), (159, 513580), (212, 385185), (265, 308148), (318, 256790), (530, 154074), (636, 128395), (795, 102716), (1060, 77037), (1590, 51358), (3180, 25679)]