1280451168

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:781

約数の個数: 144

約数和(自身を含む): 3741519600

約数和(自身を除く): 2461068432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 149, 159, 212, 288, 298, 318, 424, 447, 477, 563, 596, 636, 848, 894, 954, 1126, 1192, 1272, 1341, 1689, 1696, 1788, 1908, 2252, 2384, 2544, 2682, 3378, 3576, 3816, 4504, 4768, 5067, 5088, 5364, 6756, 7152, 7632, 7897, 9008, 10134, 10728, 13512, 14304, 15264, 15794, 18016, 20268, 21456, 23691, 27024, 29839, 31588, 40536, 42912, 47382, 54048, 59678, 63176, 71073, 81072, 83887, 89517, 94764, 119356, 126352, 142146, 162144, 167774, 179034, 189528, 238712, 251661, 252704, 268551, 284292, 335548, 358068, 379056, 477424, 503322, 537102, 568584, 671096, 716136, 754983, 758112, 954848, 1006644, 1074204, 1137168, 1342192, 1432272, 1509966, 2013288, 2148408, 2274336, 2684384, 2864544, 3019932, 4026576, 4296816, 4446011, 6039864, 8053152, 8593632, 8892022, 12079728, 13338033, 17784044, 24159456, 26676066, 35568088, 40014099, 53352132, 71136176, 80028198, 106704264, 142272352, 160056396, 213408528, 320112792, 426817056, 640225584, 1280451168]

約数ペア:

[(1, 1280451168), (2, 640225584), (3, 426817056), (4, 320112792), (6, 213408528), (8, 160056396), (9, 142272352), (12, 106704264), (16, 80028198), (18, 71136176), (24, 53352132), (32, 40014099), (36, 35568088), (48, 26676066), (53, 24159456), (72, 17784044), (96, 13338033), (106, 12079728), (144, 8892022), (149, 8593632), (159, 8053152), (212, 6039864), (288, 4446011), (298, 4296816), (318, 4026576), (424, 3019932), (447, 2864544), (477, 2684384), (563, 2274336), (596, 2148408), (636, 2013288), (848, 1509966), (894, 1432272), (954, 1342192), (1126, 1137168), (1192, 1074204), (1272, 1006644), (1341, 954848), (1689, 758112), (1696, 754983), (1788, 716136), (1908, 671096), (2252, 568584), (2384, 537102), (2544, 503322), (2682, 477424), (3378, 379056), (3576, 358068), (3816, 335548), (4504, 284292), (4768, 268551), (5067, 252704), (5088, 251661), (5364, 238712), (6756, 189528), (7152, 179034), (7632, 167774), (7897, 162144), (9008, 142146), (10134, 126352), (10728, 119356), (13512, 94764), (14304, 89517), (15264, 83887), (15794, 81072), (18016, 71073), (20268, 63176), (21456, 59678), (23691, 54048), (27024, 47382), (29839, 42912), (31588, 40536)]