68438790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^3\times {\mathrm{739}}^1$

素因数の和:776

約数の個数: 128

約数和(自身を含む): 213120000

約数和(自身を除く): 144681210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 343, 378, 441, 490, 630, 686, 735, 739, 882, 945, 1029, 1323, 1470, 1478, 1715, 1890, 2058, 2205, 2217, 2646, 3087, 3430, 3695, 4410, 4434, 5145, 5173, 6174, 6615, 6651, 7390, 9261, 10290, 10346, 11085, 13230, 13302, 15435, 15519, 18522, 19953, 22170, 25865, 30870, 31038, 33255, 36211, 39906, 46305, 46557, 51730, 66510, 72422, 77595, 92610, 93114, 99765, 108633, 139671, 155190, 181055, 199530, 217266, 232785, 253477, 279342, 325899, 362110, 465570, 506954, 543165, 651798, 698355, 760431, 977697, 1086330, 1267385, 1396710, 1520862, 1629495, 1955394, 2281293, 2534770, 3258990, 3802155, 4562586, 4888485, 6843879, 7604310, 9776970, 11406465, 13687758, 22812930, 34219395, 68438790]

約数ペア:

[(1, 68438790), (2, 34219395), (3, 22812930), (5, 13687758), (6, 11406465), (7, 9776970), (9, 7604310), (10, 6843879), (14, 4888485), (15, 4562586), (18, 3802155), (21, 3258990), (27, 2534770), (30, 2281293), (35, 1955394), (42, 1629495), (45, 1520862), (49, 1396710), (54, 1267385), (63, 1086330), (70, 977697), (90, 760431), (98, 698355), (105, 651798), (126, 543165), (135, 506954), (147, 465570), (189, 362110), (210, 325899), (245, 279342), (270, 253477), (294, 232785), (315, 217266), (343, 199530), (378, 181055), (441, 155190), (490, 139671), (630, 108633), (686, 99765), (735, 93114), (739, 92610), (882, 77595), (945, 72422), (1029, 66510), (1323, 51730), (1470, 46557), (1478, 46305), (1715, 39906), (1890, 36211), (2058, 33255), (2205, 31038), (2217, 30870), (2646, 25865), (3087, 22170), (3430, 19953), (3695, 18522), (4410, 15519), (4434, 15435), (5145, 13302), (5173, 13230), (6174, 11085), (6615, 10346), (6651, 10290), (7390, 9261)]