256899744

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{18979}}^1$

素因数の和:19042

約数の個数: 72

約数和(自身を含む): 746141760

約数和(自身を除く): 489242016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1692, 2256, 3384, 4512, 6768, 13536, 18979, 37958, 56937, 75916, 113874, 151832, 170811, 227748, 303664, 341622, 455496, 607328, 683244, 892013, 910992, 1366488, 1784026, 1821984, 2676039, 2732976, 3568052, 5352078, 5465952, 7136104, 8028117, 10704156, 14272208, 16056234, 21408312, 28544416, 32112468, 42816624, 64224936, 85633248, 128449872, 256899744]

約数ペア:

[(1, 256899744), (2, 128449872), (3, 85633248), (4, 64224936), (6, 42816624), (8, 32112468), (9, 28544416), (12, 21408312), (16, 16056234), (18, 14272208), (24, 10704156), (32, 8028117), (36, 7136104), (47, 5465952), (48, 5352078), (72, 3568052), (94, 2732976), (96, 2676039), (141, 1821984), (144, 1784026), (188, 1366488), (282, 910992), (288, 892013), (376, 683244), (423, 607328), (564, 455496), (752, 341622), (846, 303664), (1128, 227748), (1504, 170811), (1692, 151832), (2256, 113874), (3384, 75916), (4512, 56937), (6768, 37958), (13536, 18979)]