51555075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 110826240

約数和(自身を除く): 59271165

約数列:

[1, 3, 5, 11, 13, 15, 19, 23, 25, 33, 39, 55, 57, 65, 69, 75, 95, 115, 121, 143, 165, 195, 209, 247, 253, 275, 285, 299, 325, 345, 363, 429, 437, 475, 575, 605, 627, 715, 741, 759, 825, 897, 975, 1045, 1235, 1265, 1311, 1425, 1495, 1573, 1725, 1815, 2145, 2185, 2299, 2717, 2783, 3025, 3135, 3289, 3575, 3705, 3795, 4485, 4719, 4807, 5225, 5681, 6175, 6325, 6555, 6897, 7475, 7865, 8151, 8349, 9075, 9867, 10725, 10925, 11495, 13585, 13915, 14421, 15675, 16445, 17043, 18525, 18975, 22425, 23595, 24035, 28405, 29887, 32775, 34485, 36179, 39325, 40755, 41745, 49335, 52877, 57475, 62491, 67925, 69575, 72105, 82225, 85215, 89661, 108537, 117975, 120175, 142025, 149435, 158631, 172425, 180895, 187473, 203775, 208725, 246675, 264385, 312455, 360525, 426075, 448305, 542685, 687401, 747175, 793155, 904475, 937365, 1321925, 1562275, 2062203, 2241525, 2713425, 3437005, 3965775, 4686825, 10311015, 17185025, 51555075]

約数ペア:

[(1, 51555075), (3, 17185025), (5, 10311015), (11, 4686825), (13, 3965775), (15, 3437005), (19, 2713425), (23, 2241525), (25, 2062203), (33, 1562275), (39, 1321925), (55, 937365), (57, 904475), (65, 793155), (69, 747175), (75, 687401), (95, 542685), (115, 448305), (121, 426075), (143, 360525), (165, 312455), (195, 264385), (209, 246675), (247, 208725), (253, 203775), (275, 187473), (285, 180895), (299, 172425), (325, 158631), (345, 149435), (363, 142025), (429, 120175), (437, 117975), (475, 108537), (575, 89661), (605, 85215), (627, 82225), (715, 72105), (741, 69575), (759, 67925), (825, 62491), (897, 57475), (975, 52877), (1045, 49335), (1235, 41745), (1265, 40755), (1311, 39325), (1425, 36179), (1495, 34485), (1573, 32775), (1725, 29887), (1815, 28405), (2145, 24035), (2185, 23595), (2299, 22425), (2717, 18975), (2783, 18525), (3025, 17043), (3135, 16445), (3289, 15675), (3575, 14421), (3705, 13915), (3795, 13585), (4485, 11495), (4719, 10925), (4807, 10725), (5225, 9867), (5681, 9075), (6175, 8349), (6325, 8151), (6555, 7865), (6897, 7475)]