2519705745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 4961088000

約数和(自身を除く): 2441382255

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 131, 135, 145, 153, 255, 261, 289, 393, 435, 459, 493, 655, 765, 783, 867, 1179, 1305, 1445, 1479, 1965, 2227, 2295, 2465, 2601, 3537, 3799, 3915, 4335, 4437, 4913, 5895, 6681, 7395, 7803, 8381, 11135, 11397, 13005, 13311, 14739, 17685, 18995, 20043, 22185, 24565, 25143, 33405, 34191, 37859, 39015, 41905, 44217, 56985, 60129, 64583, 66555, 73695, 75429, 100215, 102573, 113577, 125715, 132651, 142477, 170955, 189295, 193749, 221085, 226287, 300645, 322915, 340731, 377145, 427431, 512865, 567885, 581247, 643603, 663255, 712385, 968745, 1022193, 1097911, 1131435, 1282293, 1703655, 1743741, 1930809, 2137155, 2906235, 3218015, 3293733, 3846879, 5110965, 5489555, 5792427, 6411465, 8718705, 9654045, 9881199, 16468665, 17377281, 18664487, 19234395, 28962135, 29643597, 49405995, 55993461, 86886405, 93322435, 148217985, 167980383, 279967305, 503941149, 839901915, 2519705745]

約数ペア:

[(1, 2519705745), (3, 839901915), (5, 503941149), (9, 279967305), (15, 167980383), (17, 148217985), (27, 93322435), (29, 86886405), (45, 55993461), (51, 49405995), (85, 29643597), (87, 28962135), (131, 19234395), (135, 18664487), (145, 17377281), (153, 16468665), (255, 9881199), (261, 9654045), (289, 8718705), (393, 6411465), (435, 5792427), (459, 5489555), (493, 5110965), (655, 3846879), (765, 3293733), (783, 3218015), (867, 2906235), (1179, 2137155), (1305, 1930809), (1445, 1743741), (1479, 1703655), (1965, 1282293), (2227, 1131435), (2295, 1097911), (2465, 1022193), (2601, 968745), (3537, 712385), (3799, 663255), (3915, 643603), (4335, 581247), (4437, 567885), (4913, 512865), (5895, 427431), (6681, 377145), (7395, 340731), (7803, 322915), (8381, 300645), (11135, 226287), (11397, 221085), (13005, 193749), (13311, 189295), (14739, 170955), (17685, 142477), (18995, 132651), (20043, 125715), (22185, 113577), (24565, 102573), (25143, 100215), (33405, 75429), (34191, 73695), (37859, 66555), (39015, 64583), (41905, 60129), (44217, 56985)]