51078240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 144

約数和(自身を含む): 176904000

約数和(自身を除く): 125825760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 288, 316, 360, 395, 449, 474, 480, 632, 711, 720, 790, 898, 948, 1185, 1264, 1347, 1422, 1440, 1580, 1796, 1896, 2245, 2370, 2528, 2694, 2844, 3160, 3555, 3592, 3792, 4041, 4490, 4740, 5388, 5688, 6320, 6735, 7110, 7184, 7584, 8082, 8980, 9480, 10776, 11376, 12640, 13470, 14220, 14368, 16164, 17960, 18960, 20205, 21552, 22752, 26940, 28440, 32328, 35471, 35920, 37920, 40410, 43104, 53880, 56880, 64656, 70942, 71840, 80820, 106413, 107760, 113760, 129312, 141884, 161640, 177355, 212826, 215520, 283768, 319239, 323280, 354710, 425652, 532065, 567536, 638478, 646560, 709420, 851304, 1064130, 1135072, 1276956, 1418840, 1596195, 1702608, 2128260, 2553912, 2837680, 3192390, 3405216, 4256520, 5107824, 5675360, 6384780, 8513040, 10215648, 12769560, 17026080, 25539120, 51078240]

約数ペア:

[(1, 51078240), (2, 25539120), (3, 17026080), (4, 12769560), (5, 10215648), (6, 8513040), (8, 6384780), (9, 5675360), (10, 5107824), (12, 4256520), (15, 3405216), (16, 3192390), (18, 2837680), (20, 2553912), (24, 2128260), (30, 1702608), (32, 1596195), (36, 1418840), (40, 1276956), (45, 1135072), (48, 1064130), (60, 851304), (72, 709420), (79, 646560), (80, 638478), (90, 567536), (96, 532065), (120, 425652), (144, 354710), (158, 323280), (160, 319239), (180, 283768), (237, 215520), (240, 212826), (288, 177355), (316, 161640), (360, 141884), (395, 129312), (449, 113760), (474, 107760), (480, 106413), (632, 80820), (711, 71840), (720, 70942), (790, 64656), (898, 56880), (948, 53880), (1185, 43104), (1264, 40410), (1347, 37920), (1422, 35920), (1440, 35471), (1580, 32328), (1796, 28440), (1896, 26940), (2245, 22752), (2370, 21552), (2528, 20205), (2694, 18960), (2844, 17960), (3160, 16164), (3555, 14368), (3592, 14220), (3792, 13470), (4041, 12640), (4490, 11376), (4740, 10776), (5388, 9480), (5688, 8980), (6320, 8082), (6735, 7584), (7110, 7184)]