16768640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 48470400

約数和(自身を除く): 31701760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 197, 224, 266, 280, 304, 320, 380, 394, 448, 532, 560, 608, 640, 665, 760, 788, 896, 985, 1064, 1120, 1216, 1330, 1379, 1520, 1576, 1970, 2128, 2240, 2432, 2660, 2758, 3040, 3152, 3743, 3940, 4256, 4480, 5320, 5516, 6080, 6304, 6895, 7486, 7880, 8512, 10640, 11032, 12160, 12608, 13790, 14972, 15760, 17024, 18715, 21280, 22064, 25216, 26201, 27580, 29944, 31520, 37430, 42560, 44128, 52402, 55160, 59888, 63040, 74860, 85120, 88256, 104804, 110320, 119776, 126080, 131005, 149720, 176512, 209608, 220640, 239552, 262010, 299440, 419216, 441280, 479104, 524020, 598880, 838432, 882560, 1048040, 1197760, 1676864, 2096080, 2395520, 3353728, 4192160, 8384320, 16768640]

約数ペア:

[(1, 16768640), (2, 8384320), (4, 4192160), (5, 3353728), (7, 2395520), (8, 2096080), (10, 1676864), (14, 1197760), (16, 1048040), (19, 882560), (20, 838432), (28, 598880), (32, 524020), (35, 479104), (38, 441280), (40, 419216), (56, 299440), (64, 262010), (70, 239552), (76, 220640), (80, 209608), (95, 176512), (112, 149720), (128, 131005), (133, 126080), (140, 119776), (152, 110320), (160, 104804), (190, 88256), (197, 85120), (224, 74860), (266, 63040), (280, 59888), (304, 55160), (320, 52402), (380, 44128), (394, 42560), (448, 37430), (532, 31520), (560, 29944), (608, 27580), (640, 26201), (665, 25216), (760, 22064), (788, 21280), (896, 18715), (985, 17024), (1064, 15760), (1120, 14972), (1216, 13790), (1330, 12608), (1379, 12160), (1520, 11032), (1576, 10640), (1970, 8512), (2128, 7880), (2240, 7486), (2432, 6895), (2660, 6304), (2758, 6080), (3040, 5516), (3152, 5320), (3743, 4480), (3940, 4256)]