321500928

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:862

約数の個数: 144

約数和(自身を含む): 991585280

約数和(自身を除く): 670084352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 128, 158, 168, 192, 224, 237, 256, 316, 336, 384, 448, 474, 553, 632, 672, 757, 768, 896, 948, 1106, 1264, 1344, 1514, 1659, 1792, 1896, 2212, 2271, 2528, 2688, 3028, 3318, 3792, 4424, 4542, 5056, 5299, 5376, 6056, 6636, 7584, 8848, 9084, 10112, 10598, 12112, 13272, 15168, 15897, 17696, 18168, 20224, 21196, 24224, 26544, 30336, 31794, 35392, 36336, 42392, 48448, 53088, 59803, 60672, 63588, 70784, 72672, 84784, 96896, 106176, 119606, 127176, 141568, 145344, 169568, 179409, 193792, 212352, 239212, 254352, 290688, 339136, 358818, 418621, 424704, 478424, 508704, 581376, 678272, 717636, 837242, 956848, 1017408, 1255863, 1356544, 1435272, 1674484, 1913696, 2034816, 2511726, 2870544, 3348968, 3827392, 4069632, 5023452, 5741088, 6697936, 7654784, 10046904, 11482176, 13395872, 15309568, 20093808, 22964352, 26791744, 40187616, 45928704, 53583488, 80375232, 107166976, 160750464, 321500928]

約数ペア:

[(1, 321500928), (2, 160750464), (3, 107166976), (4, 80375232), (6, 53583488), (7, 45928704), (8, 40187616), (12, 26791744), (14, 22964352), (16, 20093808), (21, 15309568), (24, 13395872), (28, 11482176), (32, 10046904), (42, 7654784), (48, 6697936), (56, 5741088), (64, 5023452), (79, 4069632), (84, 3827392), (96, 3348968), (112, 2870544), (128, 2511726), (158, 2034816), (168, 1913696), (192, 1674484), (224, 1435272), (237, 1356544), (256, 1255863), (316, 1017408), (336, 956848), (384, 837242), (448, 717636), (474, 678272), (553, 581376), (632, 508704), (672, 478424), (757, 424704), (768, 418621), (896, 358818), (948, 339136), (1106, 290688), (1264, 254352), (1344, 239212), (1514, 212352), (1659, 193792), (1792, 179409), (1896, 169568), (2212, 145344), (2271, 141568), (2528, 127176), (2688, 119606), (3028, 106176), (3318, 96896), (3792, 84784), (4424, 72672), (4542, 70784), (5056, 63588), (5299, 60672), (5376, 59803), (6056, 53088), (6636, 48448), (7584, 42392), (8848, 36336), (9084, 35392), (10112, 31794), (10598, 30336), (12112, 26544), (13272, 24224), (15168, 21196), (15897, 20224), (17696, 18168)]