80687628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 246442560

約数和(自身を除く): 165754932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 61, 63, 84, 87, 116, 122, 126, 174, 181, 183, 203, 244, 252, 261, 348, 362, 366, 406, 427, 522, 543, 549, 609, 724, 732, 812, 854, 1044, 1086, 1098, 1218, 1267, 1281, 1629, 1708, 1769, 1827, 2172, 2196, 2436, 2534, 2562, 3258, 3538, 3654, 3801, 3843, 5068, 5124, 5249, 5307, 6516, 7076, 7308, 7602, 7686, 10498, 10614, 11041, 11403, 12383, 15204, 15372, 15747, 15921, 20996, 21228, 22082, 22806, 24766, 31494, 31842, 33123, 36743, 37149, 44164, 45612, 47241, 49532, 62988, 63684, 66246, 73486, 74298, 77287, 94482, 99369, 110229, 111447, 132492, 146972, 148596, 154574, 188964, 198738, 220458, 222894, 231861, 309148, 320189, 330687, 397476, 440916, 445788, 463722, 640378, 661374, 695583, 927444, 960567, 1280756, 1322748, 1391166, 1921134, 2241323, 2782332, 2881701, 3842268, 4482646, 5763402, 6723969, 8965292, 11526804, 13447938, 20171907, 26895876, 40343814, 80687628]

約数ペア:

[(1, 80687628), (2, 40343814), (3, 26895876), (4, 20171907), (6, 13447938), (7, 11526804), (9, 8965292), (12, 6723969), (14, 5763402), (18, 4482646), (21, 3842268), (28, 2881701), (29, 2782332), (36, 2241323), (42, 1921134), (58, 1391166), (61, 1322748), (63, 1280756), (84, 960567), (87, 927444), (116, 695583), (122, 661374), (126, 640378), (174, 463722), (181, 445788), (183, 440916), (203, 397476), (244, 330687), (252, 320189), (261, 309148), (348, 231861), (362, 222894), (366, 220458), (406, 198738), (427, 188964), (522, 154574), (543, 148596), (549, 146972), (609, 132492), (724, 111447), (732, 110229), (812, 99369), (854, 94482), (1044, 77287), (1086, 74298), (1098, 73486), (1218, 66246), (1267, 63684), (1281, 62988), (1629, 49532), (1708, 47241), (1769, 45612), (1827, 44164), (2172, 37149), (2196, 36743), (2436, 33123), (2534, 31842), (2562, 31494), (3258, 24766), (3538, 22806), (3654, 22082), (3801, 21228), (3843, 20996), (5068, 15921), (5124, 15747), (5249, 15372), (5307, 15204), (6516, 12383), (7076, 11403), (7308, 11041), (7602, 10614), (7686, 10498)]