660378368

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 1513671936

約数和(自身を除く): 853293568

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 37, 52, 62, 64, 74, 104, 124, 128, 148, 173, 208, 248, 256, 296, 346, 403, 416, 481, 496, 592, 692, 806, 832, 962, 992, 1147, 1184, 1384, 1612, 1664, 1924, 1984, 2249, 2294, 2368, 2768, 3224, 3328, 3848, 3968, 4498, 4588, 4736, 5363, 5536, 6401, 6448, 7696, 7936, 8996, 9176, 9472, 10726, 11072, 12802, 12896, 14911, 15392, 17992, 18352, 21452, 22144, 25604, 25792, 29822, 30784, 35984, 36704, 42904, 44288, 51208, 51584, 59644, 61568, 69719, 71968, 73408, 83213, 85808, 102416, 103168, 119288, 123136, 139438, 143936, 146816, 166426, 171616, 198431, 204832, 238576, 278876, 287872, 293632, 332852, 343232, 396862, 409664, 477152, 557752, 575744, 665704, 686464, 793724, 819328, 954304, 1115504, 1331408, 1372928, 1587448, 1638656, 1908608, 2231008, 2579603, 2662816, 3174896, 3817216, 4462016, 5159206, 5325632, 6349792, 8924032, 10318412, 10651264, 12699584, 17848064, 20636824, 21302528, 25399168, 41273648, 50798336, 82547296, 165094592, 330189184, 660378368]

約数ペア:

[(1, 660378368), (2, 330189184), (4, 165094592), (8, 82547296), (13, 50798336), (16, 41273648), (26, 25399168), (31, 21302528), (32, 20636824), (37, 17848064), (52, 12699584), (62, 10651264), (64, 10318412), (74, 8924032), (104, 6349792), (124, 5325632), (128, 5159206), (148, 4462016), (173, 3817216), (208, 3174896), (248, 2662816), (256, 2579603), (296, 2231008), (346, 1908608), (403, 1638656), (416, 1587448), (481, 1372928), (496, 1331408), (592, 1115504), (692, 954304), (806, 819328), (832, 793724), (962, 686464), (992, 665704), (1147, 575744), (1184, 557752), (1384, 477152), (1612, 409664), (1664, 396862), (1924, 343232), (1984, 332852), (2249, 293632), (2294, 287872), (2368, 278876), (2768, 238576), (3224, 204832), (3328, 198431), (3848, 171616), (3968, 166426), (4498, 146816), (4588, 143936), (4736, 139438), (5363, 123136), (5536, 119288), (6401, 103168), (6448, 102416), (7696, 85808), (7936, 83213), (8996, 73408), (9176, 71968), (9472, 69719), (10726, 61568), (11072, 59644), (12802, 51584), (12896, 51208), (14911, 44288), (15392, 42904), (17992, 36704), (18352, 35984), (21452, 30784), (22144, 29822), (25604, 25792)]