161966336

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 400296960

約数和(自身を除く): 238330624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 67, 71, 76, 112, 128, 133, 134, 142, 152, 224, 256, 266, 268, 284, 304, 448, 469, 497, 532, 536, 568, 608, 896, 938, 994, 1064, 1072, 1136, 1216, 1273, 1349, 1792, 1876, 1988, 2128, 2144, 2272, 2432, 2546, 2698, 3752, 3976, 4256, 4288, 4544, 4757, 4864, 5092, 5396, 7504, 7952, 8512, 8576, 8911, 9088, 9443, 9514, 10184, 10792, 15008, 15904, 17024, 17152, 17822, 18176, 18886, 19028, 20368, 21584, 30016, 31808, 33299, 34048, 35644, 37772, 38056, 40736, 43168, 60032, 63616, 66598, 71288, 75544, 76112, 81472, 86336, 90383, 120064, 127232, 133196, 142576, 151088, 152224, 162944, 172672, 180766, 266392, 285152, 302176, 304448, 325888, 345344, 361532, 532784, 570304, 604352, 608896, 632681, 723064, 1065568, 1140608, 1208704, 1217792, 1265362, 1446128, 2131136, 2281216, 2417408, 2530724, 2892256, 4262272, 5061448, 5784512, 8524544, 10122896, 11569024, 20245792, 23138048, 40491584, 80983168, 161966336]

約数ペア:

[(1, 161966336), (2, 80983168), (4, 40491584), (7, 23138048), (8, 20245792), (14, 11569024), (16, 10122896), (19, 8524544), (28, 5784512), (32, 5061448), (38, 4262272), (56, 2892256), (64, 2530724), (67, 2417408), (71, 2281216), (76, 2131136), (112, 1446128), (128, 1265362), (133, 1217792), (134, 1208704), (142, 1140608), (152, 1065568), (224, 723064), (256, 632681), (266, 608896), (268, 604352), (284, 570304), (304, 532784), (448, 361532), (469, 345344), (497, 325888), (532, 304448), (536, 302176), (568, 285152), (608, 266392), (896, 180766), (938, 172672), (994, 162944), (1064, 152224), (1072, 151088), (1136, 142576), (1216, 133196), (1273, 127232), (1349, 120064), (1792, 90383), (1876, 86336), (1988, 81472), (2128, 76112), (2144, 75544), (2272, 71288), (2432, 66598), (2546, 63616), (2698, 60032), (3752, 43168), (3976, 40736), (4256, 38056), (4288, 37772), (4544, 35644), (4757, 34048), (4864, 33299), (5092, 31808), (5396, 30016), (7504, 21584), (7952, 20368), (8512, 19028), (8576, 18886), (8911, 18176), (9088, 17822), (9443, 17152), (9514, 17024), (10184, 15904), (10792, 15008)]