449664320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 112

約数和(自身を含む): 1231148160

約数和(自身を除く): 781483840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 197, 224, 280, 320, 394, 448, 560, 788, 985, 1019, 1120, 1379, 1576, 1970, 2038, 2240, 2758, 3152, 3940, 4076, 5095, 5516, 6304, 6895, 7133, 7880, 8152, 10190, 11032, 12608, 13790, 14266, 15760, 16304, 20380, 22064, 27580, 28532, 31520, 32608, 35665, 40760, 44128, 55160, 57064, 63040, 65216, 71330, 81520, 88256, 110320, 114128, 142660, 163040, 200743, 220640, 228256, 285320, 326080, 401486, 441280, 456512, 570640, 802972, 1003715, 1141280, 1405201, 1605944, 2007430, 2282560, 2810402, 3211888, 4014860, 5620804, 6423776, 7026005, 8029720, 11241608, 12847552, 14052010, 16059440, 22483216, 28104020, 32118880, 44966432, 56208040, 64237760, 89932864, 112416080, 224832160, 449664320]

約数ペア:

[(1, 449664320), (2, 224832160), (4, 112416080), (5, 89932864), (7, 64237760), (8, 56208040), (10, 44966432), (14, 32118880), (16, 28104020), (20, 22483216), (28, 16059440), (32, 14052010), (35, 12847552), (40, 11241608), (56, 8029720), (64, 7026005), (70, 6423776), (80, 5620804), (112, 4014860), (140, 3211888), (160, 2810402), (197, 2282560), (224, 2007430), (280, 1605944), (320, 1405201), (394, 1141280), (448, 1003715), (560, 802972), (788, 570640), (985, 456512), (1019, 441280), (1120, 401486), (1379, 326080), (1576, 285320), (1970, 228256), (2038, 220640), (2240, 200743), (2758, 163040), (3152, 142660), (3940, 114128), (4076, 110320), (5095, 88256), (5516, 81520), (6304, 71330), (6895, 65216), (7133, 63040), (7880, 57064), (8152, 55160), (10190, 44128), (11032, 40760), (12608, 35665), (13790, 32608), (14266, 31520), (15760, 28532), (16304, 27580), (20380, 22064)]