256877568

素因数分解:

$2^{10}\times 3^4\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 220

約数和(自身を含む): 812413360

約数和(自身を除く): 555535792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 128, 144, 152, 162, 163, 171, 192, 216, 228, 256, 288, 304, 324, 326, 342, 384, 432, 456, 489, 512, 513, 576, 608, 648, 652, 684, 768, 864, 912, 978, 1024, 1026, 1152, 1216, 1296, 1304, 1368, 1467, 1536, 1539, 1728, 1824, 1956, 2052, 2304, 2432, 2592, 2608, 2736, 2934, 3072, 3078, 3097, 3456, 3648, 3912, 4104, 4401, 4608, 4864, 5184, 5216, 5472, 5868, 6156, 6194, 6912, 7296, 7824, 8208, 8802, 9216, 9291, 9728, 10368, 10432, 10944, 11736, 12312, 12388, 13203, 13824, 14592, 15648, 16416, 17604, 18582, 19456, 20736, 20864, 21888, 23472, 24624, 24776, 26406, 27648, 27873, 29184, 31296, 32832, 35208, 37164, 41472, 41728, 43776, 46944, 49248, 49552, 52812, 55746, 58368, 62592, 65664, 70416, 74328, 82944, 83456, 83619, 87552, 93888, 98496, 99104, 105624, 111492, 125184, 131328, 140832, 148656, 166912, 167238, 175104, 187776, 196992, 198208, 211248, 222984, 250368, 250857, 262656, 281664, 297312, 334476, 375552, 393984, 396416, 422496, 445968, 500736, 501714, 525312, 563328, 594624, 668952, 751104, 787968, 792832, 844992, 891936, 1003428, 1126656, 1189248, 1337904, 1502208, 1575936, 1585664, 1689984, 1783872, 2006856, 2253312, 2378496, 2675808, 3171328, 3379968, 3567744, 4013712, 4506624, 4756992, 5351616, 6759936, 7135488, 8027424, 9513984, 10703232, 13519872, 14270976, 16054848, 21406464, 28541952, 32109696, 42812928, 64219392, 85625856, 128438784, 256877568]

約数ペア:

[(1, 256877568), (2, 128438784), (3, 85625856), (4, 64219392), (6, 42812928), (8, 32109696), (9, 28541952), (12, 21406464), (16, 16054848), (18, 14270976), (19, 13519872), (24, 10703232), (27, 9513984), (32, 8027424), (36, 7135488), (38, 6759936), (48, 5351616), (54, 4756992), (57, 4506624), (64, 4013712), (72, 3567744), (76, 3379968), (81, 3171328), (96, 2675808), (108, 2378496), (114, 2253312), (128, 2006856), (144, 1783872), (152, 1689984), (162, 1585664), (163, 1575936), (171, 1502208), (192, 1337904), (216, 1189248), (228, 1126656), (256, 1003428), (288, 891936), (304, 844992), (324, 792832), (326, 787968), (342, 751104), (384, 668952), (432, 594624), (456, 563328), (489, 525312), (512, 501714), (513, 500736), (576, 445968), (608, 422496), (648, 396416), (652, 393984), (684, 375552), (768, 334476), (864, 297312), (912, 281664), (978, 262656), (1024, 250857), (1026, 250368), (1152, 222984), (1216, 211248), (1296, 198208), (1304, 196992), (1368, 187776), (1467, 175104), (1536, 167238), (1539, 166912), (1728, 148656), (1824, 140832), (1956, 131328), (2052, 125184), (2304, 111492), (2432, 105624), (2592, 99104), (2608, 98496), (2736, 93888), (2934, 87552), (3072, 83619), (3078, 83456), (3097, 82944), (3456, 74328), (3648, 70416), (3912, 65664), (4104, 62592), (4401, 58368), (4608, 55746), (4864, 52812), (5184, 49552), (5216, 49248), (5472, 46944), (5868, 43776), (6156, 41728), (6194, 41472), (6912, 37164), (7296, 35208), (7824, 32832), (8208, 31296), (8802, 29184), (9216, 27873), (9291, 27648), (9728, 26406), (10368, 24776), (10432, 24624), (10944, 23472), (11736, 21888), (12312, 20864), (12388, 20736), (13203, 19456), (13824, 18582), (14592, 17604), (15648, 16416)]