161584640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 452542464

約数和(自身を除く): 290957824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 127, 128, 140, 142, 160, 224, 254, 256, 280, 284, 320, 355, 448, 497, 508, 512, 560, 568, 635, 640, 710, 889, 896, 994, 1016, 1120, 1136, 1270, 1280, 1420, 1778, 1792, 1988, 2032, 2240, 2272, 2485, 2540, 2560, 2840, 3556, 3584, 3976, 4064, 4445, 4480, 4544, 4970, 5080, 5680, 7112, 7952, 8128, 8890, 8960, 9017, 9088, 9940, 10160, 11360, 14224, 15904, 16256, 17780, 17920, 18034, 18176, 19880, 20320, 22720, 28448, 31808, 32512, 35560, 36068, 36352, 39760, 40640, 45085, 45440, 56896, 63119, 63616, 65024, 71120, 72136, 79520, 81280, 90170, 90880, 113792, 126238, 127232, 142240, 144272, 159040, 162560, 180340, 181760, 227584, 252476, 254464, 284480, 288544, 315595, 318080, 325120, 360680, 455168, 504952, 568960, 577088, 631190, 636160, 721360, 1009904, 1137920, 1154176, 1262380, 1272320, 1442720, 2019808, 2275840, 2308352, 2524760, 2885440, 4039616, 4616704, 5049520, 5770880, 8079232, 10099040, 11541760, 16158464, 20198080, 23083520, 32316928, 40396160, 80792320, 161584640]

約数ペア:

[(1, 161584640), (2, 80792320), (4, 40396160), (5, 32316928), (7, 23083520), (8, 20198080), (10, 16158464), (14, 11541760), (16, 10099040), (20, 8079232), (28, 5770880), (32, 5049520), (35, 4616704), (40, 4039616), (56, 2885440), (64, 2524760), (70, 2308352), (71, 2275840), (80, 2019808), (112, 1442720), (127, 1272320), (128, 1262380), (140, 1154176), (142, 1137920), (160, 1009904), (224, 721360), (254, 636160), (256, 631190), (280, 577088), (284, 568960), (320, 504952), (355, 455168), (448, 360680), (497, 325120), (508, 318080), (512, 315595), (560, 288544), (568, 284480), (635, 254464), (640, 252476), (710, 227584), (889, 181760), (896, 180340), (994, 162560), (1016, 159040), (1120, 144272), (1136, 142240), (1270, 127232), (1280, 126238), (1420, 113792), (1778, 90880), (1792, 90170), (1988, 81280), (2032, 79520), (2240, 72136), (2272, 71120), (2485, 65024), (2540, 63616), (2560, 63119), (2840, 56896), (3556, 45440), (3584, 45085), (3976, 40640), (4064, 39760), (4445, 36352), (4480, 36068), (4544, 35560), (4970, 32512), (5080, 31808), (5680, 28448), (7112, 22720), (7952, 20320), (8128, 19880), (8890, 18176), (8960, 18034), (9017, 17920), (9088, 17780), (9940, 16256), (10160, 15904), (11360, 14224)]