18528035505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 35471278080

約数和(自身を除く): 16943242575

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 79, 105, 123, 157, 205, 237, 287, 347, 395, 471, 553, 615, 785, 861, 1041, 1099, 1185, 1435, 1659, 1735, 2355, 2429, 2765, 3239, 3297, 4305, 5205, 5495, 6437, 7287, 8295, 9717, 12145, 12403, 14227, 16195, 16485, 19311, 22673, 27413, 32185, 36435, 37209, 42681, 45059, 48585, 54479, 62015, 68019, 71135, 82239, 86821, 96555, 99589, 113365, 135177, 137065, 163437, 186045, 191891, 213405, 225295, 260463, 272395, 298767, 340095, 381353, 411195, 434105, 497945, 508523, 575673, 675885, 817185, 959455, 1123933, 1144059, 1302315, 1493835, 1525569, 1906765, 2233639, 2542615, 2878365, 3371799, 3559661, 4303841, 5619665, 5720295, 6700917, 7627845, 7867531, 10678983, 11168195, 12911523, 15635473, 16858995, 17798305, 21519205, 23602593, 30126887, 33504585, 39337655, 46906419, 53394915, 64557615, 78177365, 90380661, 118012965, 150634435, 176457481, 234532095, 451903305, 529372443, 882287405, 1235202367, 2646862215, 3705607101, 6176011835, 18528035505]

約数ペア:

[(1, 18528035505), (3, 6176011835), (5, 3705607101), (7, 2646862215), (15, 1235202367), (21, 882287405), (35, 529372443), (41, 451903305), (79, 234532095), (105, 176457481), (123, 150634435), (157, 118012965), (205, 90380661), (237, 78177365), (287, 64557615), (347, 53394915), (395, 46906419), (471, 39337655), (553, 33504585), (615, 30126887), (785, 23602593), (861, 21519205), (1041, 17798305), (1099, 16858995), (1185, 15635473), (1435, 12911523), (1659, 11168195), (1735, 10678983), (2355, 7867531), (2429, 7627845), (2765, 6700917), (3239, 5720295), (3297, 5619665), (4305, 4303841), (5205, 3559661), (5495, 3371799), (6437, 2878365), (7287, 2542615), (8295, 2233639), (9717, 1906765), (12145, 1525569), (12403, 1493835), (14227, 1302315), (16195, 1144059), (16485, 1123933), (19311, 959455), (22673, 817185), (27413, 675885), (32185, 575673), (36435, 508523), (37209, 497945), (42681, 434105), (45059, 411195), (48585, 381353), (54479, 340095), (62015, 298767), (68019, 272395), (71135, 260463), (82239, 225295), (86821, 213405), (96555, 191891), (99589, 186045), (113365, 163437), (135177, 137065)]