213278720

素因数分解:

$2^{13}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 112

約数和(自身を含む): 528450048

約数和(自身を除く): 315171328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 127, 128, 160, 164, 205, 254, 256, 320, 328, 410, 508, 512, 635, 640, 656, 820, 1016, 1024, 1270, 1280, 1312, 1640, 2032, 2048, 2540, 2560, 2624, 3280, 4064, 4096, 5080, 5120, 5207, 5248, 6560, 8128, 8192, 10160, 10240, 10414, 10496, 13120, 16256, 20320, 20480, 20828, 20992, 26035, 26240, 32512, 40640, 40960, 41656, 41984, 52070, 52480, 65024, 81280, 83312, 83968, 104140, 104960, 130048, 162560, 166624, 167936, 208280, 209920, 260096, 325120, 333248, 335872, 416560, 419840, 520192, 650240, 666496, 833120, 839680, 1040384, 1300480, 1332992, 1666240, 1679360, 2600960, 2665984, 3332480, 5201920, 5331968, 6664960, 10663936, 13329920, 21327872, 26659840, 42655744, 53319680, 106639360, 213278720]

約数ペア:

[(1, 213278720), (2, 106639360), (4, 53319680), (5, 42655744), (8, 26659840), (10, 21327872), (16, 13329920), (20, 10663936), (32, 6664960), (40, 5331968), (41, 5201920), (64, 3332480), (80, 2665984), (82, 2600960), (127, 1679360), (128, 1666240), (160, 1332992), (164, 1300480), (205, 1040384), (254, 839680), (256, 833120), (320, 666496), (328, 650240), (410, 520192), (508, 419840), (512, 416560), (635, 335872), (640, 333248), (656, 325120), (820, 260096), (1016, 209920), (1024, 208280), (1270, 167936), (1280, 166624), (1312, 162560), (1640, 130048), (2032, 104960), (2048, 104140), (2540, 83968), (2560, 83312), (2624, 81280), (3280, 65024), (4064, 52480), (4096, 52070), (5080, 41984), (5120, 41656), (5207, 40960), (5248, 40640), (6560, 32512), (8128, 26240), (8192, 26035), (10160, 20992), (10240, 20828), (10414, 20480), (10496, 20320), (13120, 16256)]