257911776

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5278

約数の個数: 120

約数和(自身を含む): 798585480

約数和(自身を除く): 540673704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 432, 456, 513, 608, 648, 684, 864, 912, 1026, 1296, 1368, 1539, 1824, 2052, 2592, 2736, 3078, 4104, 5237, 5472, 6156, 8208, 10474, 12312, 15711, 16416, 20948, 24624, 31422, 41896, 47133, 49248, 62844, 83792, 94266, 99503, 125688, 141399, 167584, 188532, 199006, 251376, 282798, 298509, 377064, 398012, 424197, 502752, 565596, 597018, 754128, 796024, 848394, 895527, 1131192, 1194036, 1508256, 1592048, 1696788, 1791054, 2262384, 2388072, 2686581, 3184096, 3393576, 3582108, 4524768, 4776144, 5373162, 6787152, 7164216, 8059743, 9552288, 10746324, 13574304, 14328432, 16119486, 21492648, 28656864, 32238972, 42985296, 64477944, 85970592, 128955888, 257911776]

約数ペア:

[(1, 257911776), (2, 128955888), (3, 85970592), (4, 64477944), (6, 42985296), (8, 32238972), (9, 28656864), (12, 21492648), (16, 16119486), (18, 14328432), (19, 13574304), (24, 10746324), (27, 9552288), (32, 8059743), (36, 7164216), (38, 6787152), (48, 5373162), (54, 4776144), (57, 4524768), (72, 3582108), (76, 3393576), (81, 3184096), (96, 2686581), (108, 2388072), (114, 2262384), (144, 1791054), (152, 1696788), (162, 1592048), (171, 1508256), (216, 1194036), (228, 1131192), (288, 895527), (304, 848394), (324, 796024), (342, 754128), (432, 597018), (456, 565596), (513, 502752), (608, 424197), (648, 398012), (684, 377064), (864, 298509), (912, 282798), (1026, 251376), (1296, 199006), (1368, 188532), (1539, 167584), (1824, 141399), (2052, 125688), (2592, 99503), (2736, 94266), (3078, 83792), (4104, 62844), (5237, 49248), (5472, 47133), (6156, 41896), (8208, 31422), (10474, 24624), (12312, 20948), (15711, 16416)]