28676480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 80930880

約数和(自身を除く): 52254400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 173, 185, 224, 259, 280, 296, 320, 346, 370, 448, 518, 560, 592, 640, 692, 740, 865, 896, 1036, 1120, 1184, 1211, 1295, 1384, 1480, 1730, 2072, 2240, 2368, 2422, 2590, 2768, 2960, 3460, 4144, 4480, 4736, 4844, 5180, 5536, 5920, 6055, 6401, 6920, 8288, 9688, 10360, 11072, 11840, 12110, 12802, 13840, 16576, 19376, 20720, 22144, 23680, 24220, 25604, 27680, 32005, 33152, 38752, 41440, 44807, 48440, 51208, 55360, 64010, 77504, 82880, 89614, 96880, 102416, 110720, 128020, 155008, 165760, 179228, 193760, 204832, 224035, 256040, 358456, 387520, 409664, 448070, 512080, 716912, 775040, 819328, 896140, 1024160, 1433824, 1792280, 2048320, 2867648, 3584560, 4096640, 5735296, 7169120, 14338240, 28676480]

約数ペア:

[(1, 28676480), (2, 14338240), (4, 7169120), (5, 5735296), (7, 4096640), (8, 3584560), (10, 2867648), (14, 2048320), (16, 1792280), (20, 1433824), (28, 1024160), (32, 896140), (35, 819328), (37, 775040), (40, 716912), (56, 512080), (64, 448070), (70, 409664), (74, 387520), (80, 358456), (112, 256040), (128, 224035), (140, 204832), (148, 193760), (160, 179228), (173, 165760), (185, 155008), (224, 128020), (259, 110720), (280, 102416), (296, 96880), (320, 89614), (346, 82880), (370, 77504), (448, 64010), (518, 55360), (560, 51208), (592, 48440), (640, 44807), (692, 41440), (740, 38752), (865, 33152), (896, 32005), (1036, 27680), (1120, 25604), (1184, 24220), (1211, 23680), (1295, 22144), (1384, 20720), (1480, 19376), (1730, 16576), (2072, 13840), (2240, 12802), (2368, 12110), (2422, 11840), (2590, 11072), (2768, 10360), (2960, 9688), (3460, 8288), (4144, 6920), (4480, 6401), (4736, 6055), (4844, 5920), (5180, 5536)]