28612980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4817}}^1$

素因数の和:4846

約数の個数: 96

約数和(自身を含む): 97130880

約数和(自身を除く): 68517900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 4817, 5940, 9634, 14451, 19268, 24085, 28902, 43353, 48170, 52987, 57804, 72255, 86706, 96340, 105974, 130059, 144510, 158961, 173412, 211948, 216765, 260118, 264935, 289020, 317922, 433530, 476883, 520236, 529870, 635844, 650295, 794805, 867060, 953766, 1059740, 1300590, 1430649, 1589610, 1907532, 2384415, 2601180, 2861298, 3179220, 4768830, 5722596, 7153245, 9537660, 14306490, 28612980]

約数ペア:

[(1, 28612980), (2, 14306490), (3, 9537660), (4, 7153245), (5, 5722596), (6, 4768830), (9, 3179220), (10, 2861298), (11, 2601180), (12, 2384415), (15, 1907532), (18, 1589610), (20, 1430649), (22, 1300590), (27, 1059740), (30, 953766), (33, 867060), (36, 794805), (44, 650295), (45, 635844), (54, 529870), (55, 520236), (60, 476883), (66, 433530), (90, 317922), (99, 289020), (108, 264935), (110, 260118), (132, 216765), (135, 211948), (165, 173412), (180, 158961), (198, 144510), (220, 130059), (270, 105974), (297, 96340), (330, 86706), (396, 72255), (495, 57804), (540, 52987), (594, 48170), (660, 43353), (990, 28902), (1188, 24085), (1485, 19268), (1980, 14451), (2970, 9634), (4817, 5940)]