208419120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3220

約数の個数: 240

約数和(自身を含む): 861736512

約数和(自身を除く): 653317392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3181, 3276, 3640, 4095, 4368, 4680, 5040, 5460, 6362, 6552, 7280, 8190, 9360, 9543, 10920, 12724, 13104, 15905, 16380, 19086, 21840, 22267, 25448, 28629, 31810, 32760, 38172, 41353, 44534, 47715, 50896, 57258, 63620, 65520, 66801, 76344, 82706, 89068, 95430, 111335, 114516, 124059, 127240, 133602, 143145, 152688, 165412, 178136, 190860, 200403, 206765, 222670, 229032, 248118, 254480, 267204, 286290, 289471, 330824, 334005, 356272, 372177, 381720, 400806, 413530, 445340, 458064, 496236, 534408, 572580, 578942, 620295, 661648, 668010, 744354, 763440, 801612, 827060, 868413, 890680, 992472, 1002015, 1068816, 1145160, 1157884, 1240590, 1336020, 1447355, 1488708, 1603224, 1654120, 1736826, 1781360, 1860885, 1984944, 2004030, 2290320, 2315768, 2481180, 2605239, 2672040, 2894710, 2977416, 3206448, 3308240, 3473652, 3721770, 4008060, 4342065, 4631536, 4962360, 5210478, 5344080, 5789420, 5954832, 6947304, 7443540, 8016120, 8684130, 9924720, 10420956, 11578840, 13026195, 13894608, 14887080, 16032240, 17368260, 20841912, 23157680, 26052390, 29774160, 34736520, 41683824, 52104780, 69473040, 104209560, 208419120]

約数ペア:

[(1, 208419120), (2, 104209560), (3, 69473040), (4, 52104780), (5, 41683824), (6, 34736520), (7, 29774160), (8, 26052390), (9, 23157680), (10, 20841912), (12, 17368260), (13, 16032240), (14, 14887080), (15, 13894608), (16, 13026195), (18, 11578840), (20, 10420956), (21, 9924720), (24, 8684130), (26, 8016120), (28, 7443540), (30, 6947304), (35, 5954832), (36, 5789420), (39, 5344080), (40, 5210478), (42, 4962360), (45, 4631536), (48, 4342065), (52, 4008060), (56, 3721770), (60, 3473652), (63, 3308240), (65, 3206448), (70, 2977416), (72, 2894710), (78, 2672040), (80, 2605239), (84, 2481180), (90, 2315768), (91, 2290320), (104, 2004030), (105, 1984944), (112, 1860885), (117, 1781360), (120, 1736826), (126, 1654120), (130, 1603224), (140, 1488708), (144, 1447355), (156, 1336020), (168, 1240590), (180, 1157884), (182, 1145160), (195, 1068816), (208, 1002015), (210, 992472), (234, 890680), (240, 868413), (252, 827060), (260, 801612), (273, 763440), (280, 744354), (312, 668010), (315, 661648), (336, 620295), (360, 578942), (364, 572580), (390, 534408), (420, 496236), (455, 458064), (468, 445340), (504, 413530), (520, 400806), (546, 381720), (560, 372177), (585, 356272), (624, 334005), (630, 330824), (720, 289471), (728, 286290), (780, 267204), (819, 254480), (840, 248118), (910, 229032), (936, 222670), (1008, 206765), (1040, 200403), (1092, 190860), (1170, 178136), (1260, 165412), (1365, 152688), (1456, 143145), (1560, 133602), (1638, 127240), (1680, 124059), (1820, 114516), (1872, 111335), (2184, 95430), (2340, 89068), (2520, 82706), (2730, 76344), (3120, 66801), (3181, 65520), (3276, 63620), (3640, 57258), (4095, 50896), (4368, 47715), (4680, 44534), (5040, 41353), (5460, 38172), (6362, 32760), (6552, 31810), (7280, 28629), (8190, 25448), (9360, 22267), (9543, 21840), (10920, 19086), (12724, 16380), (13104, 15905)]