7971052440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{2969}}^1$

素因数の和:4717

約数の個数: 128

約数和(自身を含む): 25776273600

約数和(自身を除く): 17805221160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1721, 2969, 3442, 5163, 5938, 6884, 8605, 8907, 10326, 11876, 13768, 14845, 17210, 17814, 20652, 22373, 23752, 25815, 29690, 34420, 35628, 38597, 41304, 44535, 44746, 51630, 59380, 67119, 68840, 71256, 77194, 89070, 89492, 103260, 111865, 115791, 118760, 134238, 154388, 178140, 178984, 192985, 206520, 223730, 231582, 268476, 308776, 335595, 356280, 385970, 447460, 463164, 536952, 578955, 671190, 771940, 894920, 926328, 1157910, 1342380, 1543880, 2315820, 2684760, 4631640, 5109649, 10219298, 15328947, 20438596, 25548245, 30657894, 40877192, 51096490, 61315788, 66425437, 76644735, 102192980, 122631576, 132850874, 153289470, 199276311, 204385960, 265701748, 306578940, 332127185, 398552622, 531403496, 613157880, 664254370, 797105244, 996381555, 1328508740, 1594210488, 1992763110, 2657017480, 3985526220, 7971052440]

約数ペア:

[(1, 7971052440), (2, 3985526220), (3, 2657017480), (4, 1992763110), (5, 1594210488), (6, 1328508740), (8, 996381555), (10, 797105244), (12, 664254370), (13, 613157880), (15, 531403496), (20, 398552622), (24, 332127185), (26, 306578940), (30, 265701748), (39, 204385960), (40, 199276311), (52, 153289470), (60, 132850874), (65, 122631576), (78, 102192980), (104, 76644735), (120, 66425437), (130, 61315788), (156, 51096490), (195, 40877192), (260, 30657894), (312, 25548245), (390, 20438596), (520, 15328947), (780, 10219298), (1560, 5109649), (1721, 4631640), (2969, 2684760), (3442, 2315820), (5163, 1543880), (5938, 1342380), (6884, 1157910), (8605, 926328), (8907, 894920), (10326, 771940), (11876, 671190), (13768, 578955), (14845, 536952), (17210, 463164), (17814, 447460), (20652, 385970), (22373, 356280), (23752, 335595), (25815, 308776), (29690, 268476), (34420, 231582), (35628, 223730), (38597, 206520), (41304, 192985), (44535, 178984), (44746, 178140), (51630, 154388), (59380, 134238), (67119, 118760), (68840, 115791), (71256, 111865), (77194, 103260), (89070, 89492)]