261164880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1178

約数の個数: 240

約数和(自身を含む): 978419520

約数和(自身を除く): 717254640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 114, 120, 136, 144, 152, 153, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 304, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1123, 1140, 1224, 1292, 1360, 1368, 1520, 1530, 1615, 1710, 1938, 2040, 2246, 2280, 2448, 2584, 2736, 2907, 3060, 3230, 3369, 3420, 3876, 4080, 4492, 4560, 4845, 5168, 5615, 5814, 6120, 6460, 6738, 6840, 7752, 8984, 9690, 10107, 11230, 11628, 12240, 12920, 13476, 13680, 14535, 15504, 16845, 17968, 19091, 19380, 20214, 21337, 22460, 23256, 25840, 26952, 29070, 33690, 38182, 38760, 40428, 42674, 44920, 46512, 50535, 53904, 57273, 58140, 64011, 67380, 76364, 77520, 80856, 85348, 89840, 95455, 101070, 106685, 114546, 116280, 128022, 134760, 152728, 161712, 170696, 171819, 190910, 192033, 202140, 213370, 229092, 232560, 256044, 269520, 286365, 305456, 320055, 341392, 343638, 362729, 381820, 384066, 404280, 426740, 458184, 512088, 572730, 640110, 687276, 725458, 763640, 768132, 808560, 853480, 859095, 916368, 960165, 1024176, 1088187, 1145460, 1280220, 1374552, 1450916, 1527280, 1536264, 1706960, 1718190, 1813645, 1920330, 2176374, 2290920, 2560440, 2749104, 2901832, 3072528, 3264561, 3436380, 3627290, 3840660, 4352748, 4581840, 5120880, 5440935, 5803664, 6529122, 6872760, 7254580, 7681320, 8705496, 10881870, 13058244, 13745520, 14509160, 15362640, 16322805, 17410992, 21763740, 26116488, 29018320, 32645610, 43527480, 52232976, 65291220, 87054960, 130582440, 261164880]

約数ペア:

[(1, 261164880), (2, 130582440), (3, 87054960), (4, 65291220), (5, 52232976), (6, 43527480), (8, 32645610), (9, 29018320), (10, 26116488), (12, 21763740), (15, 17410992), (16, 16322805), (17, 15362640), (18, 14509160), (19, 13745520), (20, 13058244), (24, 10881870), (30, 8705496), (34, 7681320), (36, 7254580), (38, 6872760), (40, 6529122), (45, 5803664), (48, 5440935), (51, 5120880), (57, 4581840), (60, 4352748), (68, 3840660), (72, 3627290), (76, 3436380), (80, 3264561), (85, 3072528), (90, 2901832), (95, 2749104), (102, 2560440), (114, 2290920), (120, 2176374), (136, 1920330), (144, 1813645), (152, 1718190), (153, 1706960), (170, 1536264), (171, 1527280), (180, 1450916), (190, 1374552), (204, 1280220), (228, 1145460), (240, 1088187), (255, 1024176), (272, 960165), (285, 916368), (304, 859095), (306, 853480), (323, 808560), (340, 768132), (342, 763640), (360, 725458), (380, 687276), (408, 640110), (456, 572730), (510, 512088), (570, 458184), (612, 426740), (646, 404280), (680, 384066), (684, 381820), (720, 362729), (760, 343638), (765, 341392), (816, 320055), (855, 305456), (912, 286365), (969, 269520), (1020, 256044), (1123, 232560), (1140, 229092), (1224, 213370), (1292, 202140), (1360, 192033), (1368, 190910), (1520, 171819), (1530, 170696), (1615, 161712), (1710, 152728), (1938, 134760), (2040, 128022), (2246, 116280), (2280, 114546), (2448, 106685), (2584, 101070), (2736, 95455), (2907, 89840), (3060, 85348), (3230, 80856), (3369, 77520), (3420, 76364), (3876, 67380), (4080, 64011), (4492, 58140), (4560, 57273), (4845, 53904), (5168, 50535), (5615, 46512), (5814, 44920), (6120, 42674), (6460, 40428), (6738, 38760), (6840, 38182), (7752, 33690), (8984, 29070), (9690, 26952), (10107, 25840), (11230, 23256), (11628, 22460), (12240, 21337), (12920, 20214), (13476, 19380), (13680, 19091), (14535, 17968), (15504, 16845)]