641696272

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 1530705600

約数和(自身を除く): 889009328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 59, 76, 112, 118, 133, 152, 236, 266, 269, 304, 361, 413, 472, 532, 538, 722, 826, 944, 1064, 1076, 1121, 1444, 1652, 1883, 2128, 2152, 2242, 2527, 2888, 3304, 3766, 4304, 4484, 5054, 5111, 5776, 6608, 7532, 7847, 8968, 10108, 10222, 15064, 15694, 15871, 17936, 20216, 20444, 21299, 30128, 31388, 31742, 35777, 40432, 40888, 42598, 62776, 63484, 71554, 81776, 85196, 97109, 111097, 125552, 126968, 143108, 149093, 170392, 194218, 222194, 253936, 286216, 298186, 301549, 340784, 388436, 444388, 572432, 596372, 603098, 679763, 776872, 888776, 1192744, 1206196, 1359526, 1553744, 1777552, 2110843, 2385488, 2412392, 2719052, 4221686, 4824784, 5438104, 5729431, 8443372, 10876208, 11458862, 16886744, 22917724, 33773488, 40106017, 45835448, 80212034, 91670896, 160424068, 320848136, 641696272]

約数ペア:

[(1, 641696272), (2, 320848136), (4, 160424068), (7, 91670896), (8, 80212034), (14, 45835448), (16, 40106017), (19, 33773488), (28, 22917724), (38, 16886744), (56, 11458862), (59, 10876208), (76, 8443372), (112, 5729431), (118, 5438104), (133, 4824784), (152, 4221686), (236, 2719052), (266, 2412392), (269, 2385488), (304, 2110843), (361, 1777552), (413, 1553744), (472, 1359526), (532, 1206196), (538, 1192744), (722, 888776), (826, 776872), (944, 679763), (1064, 603098), (1076, 596372), (1121, 572432), (1444, 444388), (1652, 388436), (1883, 340784), (2128, 301549), (2152, 298186), (2242, 286216), (2527, 253936), (2888, 222194), (3304, 194218), (3766, 170392), (4304, 149093), (4484, 143108), (5054, 126968), (5111, 125552), (5776, 111097), (6608, 97109), (7532, 85196), (7847, 81776), (8968, 71554), (10108, 63484), (10222, 62776), (15064, 42598), (15694, 40888), (15871, 40432), (17936, 35777), (20216, 31742), (20444, 31388), (21299, 30128)]