16420140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8293}}^1$

素因数の和:8319

約数の個数: 72

約数和(自身を含む): 54342288

約数和(自身を除く): 37922148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8293, 16586, 24879, 33172, 41465, 49758, 74637, 82930, 91223, 99516, 124395, 149274, 165860, 182446, 248790, 273669, 298548, 364892, 373185, 456115, 497580, 547338, 746370, 821007, 912230, 1094676, 1368345, 1492740, 1642014, 1824460, 2736690, 3284028, 4105035, 5473380, 8210070, 16420140]

約数ペア:

[(1, 16420140), (2, 8210070), (3, 5473380), (4, 4105035), (5, 3284028), (6, 2736690), (9, 1824460), (10, 1642014), (11, 1492740), (12, 1368345), (15, 1094676), (18, 912230), (20, 821007), (22, 746370), (30, 547338), (33, 497580), (36, 456115), (44, 373185), (45, 364892), (55, 298548), (60, 273669), (66, 248790), (90, 182446), (99, 165860), (110, 149274), (132, 124395), (165, 99516), (180, 91223), (198, 82930), (220, 74637), (330, 49758), (396, 41465), (495, 33172), (660, 24879), (990, 16586), (1980, 8293)]