81028860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11161}}^1$

素因数の和:11195

約数の個数: 72

約数和(自身を含む): 249403728

約数和(自身を除く): 168374868

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 11161, 22322, 33483, 44644, 55805, 66966, 111610, 122771, 133932, 167415, 223220, 245542, 334830, 368313, 491084, 613855, 669660, 736626, 1227710, 1350481, 1473252, 1841565, 2455420, 2700962, 3683130, 4051443, 5401924, 6752405, 7366260, 8102886, 13504810, 16205772, 20257215, 27009620, 40514430, 81028860]

約数ペア:

[(1, 81028860), (2, 40514430), (3, 27009620), (4, 20257215), (5, 16205772), (6, 13504810), (10, 8102886), (11, 7366260), (12, 6752405), (15, 5401924), (20, 4051443), (22, 3683130), (30, 2700962), (33, 2455420), (44, 1841565), (55, 1473252), (60, 1350481), (66, 1227710), (110, 736626), (121, 669660), (132, 613855), (165, 491084), (220, 368313), (242, 334830), (330, 245542), (363, 223220), (484, 167415), (605, 133932), (660, 122771), (726, 111610), (1210, 66966), (1452, 55805), (1815, 44644), (2420, 33483), (3630, 22322), (7260, 11161)]