128866815

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 306432000

約数和(自身を除く): 177565185

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 27, 33, 35, 45, 49, 55, 63, 69, 77, 99, 105, 115, 121, 135, 147, 161, 165, 189, 207, 231, 245, 253, 297, 315, 343, 345, 363, 385, 441, 483, 495, 539, 605, 621, 693, 735, 759, 805, 847, 945, 1029, 1035, 1089, 1127, 1155, 1265, 1323, 1449, 1485, 1617, 1715, 1771, 1815, 2079, 2205, 2277, 2415, 2541, 2695, 2783, 3087, 3105, 3267, 3381, 3465, 3773, 3795, 4235, 4347, 4851, 5145, 5313, 5445, 5635, 5929, 6615, 6831, 7245, 7623, 7889, 8085, 8349, 8855, 9261, 10143, 10395, 11319, 11385, 12397, 12705, 13915, 14553, 15435, 15939, 16335, 16905, 17787, 18865, 19481, 21735, 22869, 23667, 24255, 25047, 26565, 29645, 30429, 33957, 34155, 37191, 38115, 39445, 41503, 41745, 46305, 47817, 50715, 53361, 56595, 58443, 61985, 71001, 72765, 75141, 79695, 86779, 88935, 97405, 101871, 111573, 114345, 118335, 124509, 125235, 136367, 152145, 160083, 169785, 175329, 185955, 207515, 213003, 239085, 260337, 266805, 292215, 334719, 355005, 373527, 375705, 409101, 433895, 509355, 525987, 557865, 622545, 681835, 781011, 800415, 876645, 954569, 1065015, 1120581, 1227303, 1301685, 1673595, 1867635, 2045505, 2343033, 2629935, 2863707, 3681909, 3905055, 4772845, 5602905, 6136515, 8591121, 11715165, 14318535, 18409545, 25773363, 42955605, 128866815]

約数ペア:

[(1, 128866815), (3, 42955605), (5, 25773363), (7, 18409545), (9, 14318535), (11, 11715165), (15, 8591121), (21, 6136515), (23, 5602905), (27, 4772845), (33, 3905055), (35, 3681909), (45, 2863707), (49, 2629935), (55, 2343033), (63, 2045505), (69, 1867635), (77, 1673595), (99, 1301685), (105, 1227303), (115, 1120581), (121, 1065015), (135, 954569), (147, 876645), (161, 800415), (165, 781011), (189, 681835), (207, 622545), (231, 557865), (245, 525987), (253, 509355), (297, 433895), (315, 409101), (343, 375705), (345, 373527), (363, 355005), (385, 334719), (441, 292215), (483, 266805), (495, 260337), (539, 239085), (605, 213003), (621, 207515), (693, 185955), (735, 175329), (759, 169785), (805, 160083), (847, 152145), (945, 136367), (1029, 125235), (1035, 124509), (1089, 118335), (1127, 114345), (1155, 111573), (1265, 101871), (1323, 97405), (1449, 88935), (1485, 86779), (1617, 79695), (1715, 75141), (1771, 72765), (1815, 71001), (2079, 61985), (2205, 58443), (2277, 56595), (2415, 53361), (2541, 50715), (2695, 47817), (2783, 46305), (3087, 41745), (3105, 41503), (3267, 39445), (3381, 38115), (3465, 37191), (3773, 34155), (3795, 33957), (4235, 30429), (4347, 29645), (4851, 26565), (5145, 25047), (5313, 24255), (5445, 23667), (5635, 22869), (5929, 21735), (6615, 19481), (6831, 18865), (7245, 17787), (7623, 16905), (7889, 16335), (8085, 15939), (8349, 15435), (8855, 14553), (9261, 13915), (10143, 12705), (10395, 12397), (11319, 11385)]