2121505280

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 160

約数和(自身を含む): 5366870784

約数和(自身を除く): 3245365504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 137, 160, 184, 230, 256, 263, 274, 320, 368, 460, 512, 526, 548, 640, 685, 736, 920, 1052, 1096, 1280, 1315, 1370, 1472, 1840, 2104, 2192, 2560, 2630, 2740, 2944, 3151, 3680, 4208, 4384, 5260, 5480, 5888, 6049, 6302, 7360, 8416, 8768, 10520, 10960, 11776, 12098, 12604, 14720, 15755, 16832, 17536, 21040, 21920, 24196, 25208, 29440, 30245, 31510, 33664, 35072, 36031, 42080, 43840, 48392, 50416, 58880, 60490, 63020, 67328, 70144, 72062, 84160, 87680, 96784, 100832, 120980, 126040, 134656, 144124, 168320, 175360, 180155, 193568, 201664, 241960, 252080, 288248, 336640, 350720, 360310, 387136, 403328, 483920, 504160, 576496, 673280, 720620, 774272, 806656, 828713, 967840, 1008320, 1152992, 1441240, 1548544, 1613312, 1657426, 1935680, 2016640, 2305984, 2882480, 3097088, 3314852, 3871360, 4033280, 4143565, 4611968, 5764960, 6629704, 7742720, 8066560, 8287130, 9223936, 11529920, 13259408, 15485440, 16574260, 18447872, 23059840, 26518816, 33148520, 46119680, 53037632, 66297040, 92239360, 106075264, 132594080, 212150528, 265188160, 424301056, 530376320, 1060752640, 2121505280]

約数ペア:

[(1, 2121505280), (2, 1060752640), (4, 530376320), (5, 424301056), (8, 265188160), (10, 212150528), (16, 132594080), (20, 106075264), (23, 92239360), (32, 66297040), (40, 53037632), (46, 46119680), (64, 33148520), (80, 26518816), (92, 23059840), (115, 18447872), (128, 16574260), (137, 15485440), (160, 13259408), (184, 11529920), (230, 9223936), (256, 8287130), (263, 8066560), (274, 7742720), (320, 6629704), (368, 5764960), (460, 4611968), (512, 4143565), (526, 4033280), (548, 3871360), (640, 3314852), (685, 3097088), (736, 2882480), (920, 2305984), (1052, 2016640), (1096, 1935680), (1280, 1657426), (1315, 1613312), (1370, 1548544), (1472, 1441240), (1840, 1152992), (2104, 1008320), (2192, 967840), (2560, 828713), (2630, 806656), (2740, 774272), (2944, 720620), (3151, 673280), (3680, 576496), (4208, 504160), (4384, 483920), (5260, 403328), (5480, 387136), (5888, 360310), (6049, 350720), (6302, 336640), (7360, 288248), (8416, 252080), (8768, 241960), (10520, 201664), (10960, 193568), (11776, 180155), (12098, 175360), (12604, 168320), (14720, 144124), (15755, 134656), (16832, 126040), (17536, 120980), (21040, 100832), (21920, 96784), (24196, 87680), (25208, 84160), (29440, 72062), (30245, 70144), (31510, 67328), (33664, 63020), (35072, 60490), (36031, 58880), (42080, 50416), (43840, 48392)]