71831200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 203986944

約数和(自身を除く): 132155744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 101, 112, 127, 140, 160, 175, 200, 202, 224, 254, 280, 350, 400, 404, 505, 508, 560, 635, 700, 707, 800, 808, 889, 1010, 1016, 1120, 1270, 1400, 1414, 1616, 1778, 2020, 2032, 2525, 2540, 2800, 2828, 3175, 3232, 3535, 3556, 4040, 4064, 4445, 5050, 5080, 5600, 5656, 6350, 7070, 7112, 8080, 8890, 10100, 10160, 11312, 12700, 12827, 14140, 14224, 16160, 17675, 17780, 20200, 20320, 22225, 22624, 25400, 25654, 28280, 28448, 35350, 35560, 40400, 44450, 50800, 51308, 56560, 64135, 70700, 71120, 80800, 88900, 89789, 101600, 102616, 113120, 128270, 141400, 142240, 177800, 179578, 205232, 256540, 282800, 320675, 355600, 359156, 410464, 448945, 513080, 565600, 641350, 711200, 718312, 897890, 1026160, 1282700, 1436624, 1795780, 2052320, 2244725, 2565400, 2873248, 3591560, 4489450, 5130800, 7183120, 8978900, 10261600, 14366240, 17957800, 35915600, 71831200]

約数ペア:

[(1, 71831200), (2, 35915600), (4, 17957800), (5, 14366240), (7, 10261600), (8, 8978900), (10, 7183120), (14, 5130800), (16, 4489450), (20, 3591560), (25, 2873248), (28, 2565400), (32, 2244725), (35, 2052320), (40, 1795780), (50, 1436624), (56, 1282700), (70, 1026160), (80, 897890), (100, 718312), (101, 711200), (112, 641350), (127, 565600), (140, 513080), (160, 448945), (175, 410464), (200, 359156), (202, 355600), (224, 320675), (254, 282800), (280, 256540), (350, 205232), (400, 179578), (404, 177800), (505, 142240), (508, 141400), (560, 128270), (635, 113120), (700, 102616), (707, 101600), (800, 89789), (808, 88900), (889, 80800), (1010, 71120), (1016, 70700), (1120, 64135), (1270, 56560), (1400, 51308), (1414, 50800), (1616, 44450), (1778, 40400), (2020, 35560), (2032, 35350), (2525, 28448), (2540, 28280), (2800, 25654), (2828, 25400), (3175, 22624), (3232, 22225), (3535, 20320), (3556, 20200), (4040, 17780), (4064, 17675), (4445, 16160), (5050, 14224), (5080, 14140), (5600, 12827), (5656, 12700), (6350, 11312), (7070, 10160), (7112, 10100), (8080, 8890)]