256273380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{373}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 852755904

約数和(自身を除く): 596482524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 347, 373, 396, 495, 660, 694, 746, 990, 1041, 1119, 1388, 1492, 1735, 1865, 1980, 2082, 2238, 3123, 3357, 3470, 3730, 3817, 4103, 4164, 4476, 5205, 5595, 6246, 6714, 6940, 7460, 7634, 8206, 10410, 11190, 11451, 12309, 12492, 13428, 15268, 15615, 16412, 16785, 19085, 20515, 20820, 22380, 22902, 24618, 31230, 33570, 34353, 36927, 38170, 41030, 45804, 49236, 57255, 61545, 62460, 67140, 68706, 73854, 76340, 82060, 114510, 123090, 129431, 137412, 147708, 171765, 184635, 229020, 246180, 258862, 343530, 369270, 388293, 517724, 647155, 687060, 738540, 776586, 1164879, 1294310, 1423741, 1553172, 1941465, 2329758, 2588620, 2847482, 3882930, 4271223, 4659516, 5694964, 5824395, 7118705, 7765860, 8542446, 11648790, 12813669, 14237410, 17084892, 21356115, 23297580, 25627338, 28474820, 42712230, 51254676, 64068345, 85424460, 128136690, 256273380]

約数ペア:

[(1, 256273380), (2, 128136690), (3, 85424460), (4, 64068345), (5, 51254676), (6, 42712230), (9, 28474820), (10, 25627338), (11, 23297580), (12, 21356115), (15, 17084892), (18, 14237410), (20, 12813669), (22, 11648790), (30, 8542446), (33, 7765860), (36, 7118705), (44, 5824395), (45, 5694964), (55, 4659516), (60, 4271223), (66, 3882930), (90, 2847482), (99, 2588620), (110, 2329758), (132, 1941465), (165, 1553172), (180, 1423741), (198, 1294310), (220, 1164879), (330, 776586), (347, 738540), (373, 687060), (396, 647155), (495, 517724), (660, 388293), (694, 369270), (746, 343530), (990, 258862), (1041, 246180), (1119, 229020), (1388, 184635), (1492, 171765), (1735, 147708), (1865, 137412), (1980, 129431), (2082, 123090), (2238, 114510), (3123, 82060), (3357, 76340), (3470, 73854), (3730, 68706), (3817, 67140), (4103, 62460), (4164, 61545), (4476, 57255), (5205, 49236), (5595, 45804), (6246, 41030), (6714, 38170), (6940, 36927), (7460, 34353), (7634, 33570), (8206, 31230), (10410, 24618), (11190, 22902), (11451, 22380), (12309, 20820), (12492, 20515), (13428, 19085), (15268, 16785), (15615, 16412)]