28993140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1627}}^1$

素因数の和:1659

約数の個数: 120

約数和(自身を含む): 99281952

約数和(自身を除く): 70288812

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, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1188, 1485, 1620, 1627, 1782, 1980, 2970, 3254, 3564, 4455, 4881, 5940, 6508, 8135, 8910, 9762, 14643, 16270, 17820, 17897, 19524, 24405, 29286, 32540, 35794, 43929, 48810, 53691, 58572, 71588, 73215, 87858, 89485, 97620, 107382, 131787, 146430, 161073, 175716, 178970, 214764, 219645, 263574, 268455, 292860, 322146, 357940, 439290, 483219, 527148, 536910, 644292, 658935, 805365, 878580, 966438, 1073820, 1317870, 1449657, 1610730, 1932876, 2416095, 2635740, 2899314, 3221460, 4832190, 5798628, 7248285, 9664380, 14496570, 28993140]

約数ペア:

[(1, 28993140), (2, 14496570), (3, 9664380), (4, 7248285), (5, 5798628), (6, 4832190), (9, 3221460), (10, 2899314), (11, 2635740), (12, 2416095), (15, 1932876), (18, 1610730), (20, 1449657), (22, 1317870), (27, 1073820), (30, 966438), (33, 878580), (36, 805365), (44, 658935), (45, 644292), (54, 536910), (55, 527148), (60, 483219), (66, 439290), (81, 357940), (90, 322146), (99, 292860), (108, 268455), (110, 263574), (132, 219645), (135, 214764), (162, 178970), (165, 175716), (180, 161073), (198, 146430), (220, 131787), (270, 107382), (297, 97620), (324, 89485), (330, 87858), (396, 73215), (405, 71588), (495, 58572), (540, 53691), (594, 48810), (660, 43929), (810, 35794), (891, 32540), (990, 29286), (1188, 24405), (1485, 19524), (1620, 17897), (1627, 17820), (1782, 16270), (1980, 14643), (2970, 9762), (3254, 8910), (3564, 8135), (4455, 6508), (4881, 5940)]