261981720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 384

約数和(自身を含む): 1144765440

約数和(自身を除く): 882783720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 24, 26, 28, 30, 33, 35, 36, 39, 40, 42, 44, 45, 52, 55, 56, 60, 63, 65, 66, 70, 72, 77, 78, 84, 88, 90, 91, 99, 104, 105, 110, 117, 120, 126, 130, 132, 140, 143, 154, 156, 165, 168, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 264, 273, 280, 286, 308, 312, 315, 330, 360, 364, 385, 390, 396, 420, 429, 440, 455, 462, 468, 495, 504, 520, 546, 572, 585, 616, 630, 660, 693, 715, 727, 728, 770, 780, 792, 819, 840, 858, 910, 924, 936, 990, 1001, 1092, 1144, 1155, 1170, 1260, 1287, 1320, 1365, 1386, 1430, 1454, 1540, 1560, 1638, 1716, 1820, 1848, 1980, 2002, 2145, 2181, 2184, 2310, 2340, 2520, 2574, 2730, 2772, 2860, 2908, 3003, 3080, 3276, 3432, 3465, 3635, 3640, 3960, 4004, 4095, 4290, 4362, 4620, 4680, 5005, 5089, 5148, 5460, 5544, 5720, 5816, 6006, 6435, 6543, 6552, 6930, 7270, 7997, 8008, 8190, 8580, 8724, 9009, 9240, 9451, 10010, 10178, 10296, 10905, 10920, 12012, 12870, 13086, 13860, 14540, 15015, 15267, 15994, 16380, 17160, 17448, 18018, 18902, 20020, 20356, 21810, 23991, 24024, 25445, 25740, 26172, 27720, 28353, 29080, 30030, 30534, 31988, 32715, 32760, 36036, 37804, 39985, 40040, 40712, 43620, 45045, 45801, 47255, 47982, 50890, 51480, 52344, 55979, 56706, 60060, 61068, 63976, 65430, 66157, 71973, 72072, 75608, 76335, 79970, 85059, 87240, 90090, 91602, 94510, 95964, 101780, 103961, 111958, 113412, 119955, 120120, 122136, 130860, 132314, 141765, 143946, 152670, 159940, 167937, 170118, 180180, 183204, 189020, 191928, 198471, 203560, 207922, 223916, 226824, 229005, 239910, 261720, 264628, 279895, 283530, 287892, 305340, 311883, 319880, 330785, 335874, 340236, 359865, 360360, 366408, 378040, 396942, 415844, 425295, 447832, 458010, 479820, 503811, 519805, 529256, 559790, 567060, 575784, 595413, 610680, 623766, 661570, 671748, 680472, 719730, 727727, 793884, 831688, 839685, 850590, 916020, 935649, 959640, 992355, 1007622, 1039610, 1119580, 1134120, 1190826, 1247532, 1323140, 1343496, 1439460, 1455454, 1559415, 1587768, 1679370, 1701180, 1832040, 1871298, 1984710, 2015244, 2079220, 2183181, 2239160, 2381652, 2495064, 2519055, 2646280, 2878920, 2910908, 2977065, 3118830, 3358740, 3402360, 3638635, 3742596, 3969420, 4030488, 4158440, 4366362, 4678245, 4763304, 5038110, 5821816, 5954130, 6237660, 6549543, 6717480, 7277270, 7485192, 7938840, 8732724, 9356490, 10076220, 10915905, 11908260, 12475320, 13099086, 14554540, 17465448, 18712980, 20152440, 21831810, 23816520, 26198172, 29109080, 32747715, 37425960, 43663620, 52396344, 65495430, 87327240, 130990860, 261981720]

約数ペア:

[(1, 261981720), (2, 130990860), (3, 87327240), (4, 65495430), (5, 52396344), (6, 43663620), (7, 37425960), (8, 32747715), (9, 29109080), (10, 26198172), (11, 23816520), (12, 21831810), (13, 20152440), (14, 18712980), (15, 17465448), (18, 14554540), (20, 13099086), (21, 12475320), (22, 11908260), (24, 10915905), (26, 10076220), (28, 9356490), (30, 8732724), (33, 7938840), (35, 7485192), (36, 7277270), (39, 6717480), (40, 6549543), (42, 6237660), (44, 5954130), (45, 5821816), (52, 5038110), (55, 4763304), (56, 4678245), (60, 4366362), (63, 4158440), (65, 4030488), (66, 3969420), (70, 3742596), (72, 3638635), (77, 3402360), (78, 3358740), (84, 3118830), (88, 2977065), (90, 2910908), (91, 2878920), (99, 2646280), (104, 2519055), (105, 2495064), (110, 2381652), (117, 2239160), (120, 2183181), (126, 2079220), (130, 2015244), (132, 1984710), (140, 1871298), (143, 1832040), (154, 1701180), (156, 1679370), (165, 1587768), (168, 1559415), (180, 1455454), (182, 1439460), (195, 1343496), (198, 1323140), (210, 1247532), (220, 1190826), (231, 1134120), (234, 1119580), (252, 1039610), (260, 1007622), (264, 992355), (273, 959640), (280, 935649), (286, 916020), (308, 850590), (312, 839685), (315, 831688), (330, 793884), (360, 727727), (364, 719730), (385, 680472), (390, 671748), (396, 661570), (420, 623766), (429, 610680), (440, 595413), (455, 575784), (462, 567060), (468, 559790), (495, 529256), (504, 519805), (520, 503811), (546, 479820), (572, 458010), (585, 447832), (616, 425295), (630, 415844), (660, 396942), (693, 378040), (715, 366408), (727, 360360), (728, 359865), (770, 340236), (780, 335874), (792, 330785), (819, 319880), (840, 311883), (858, 305340), (910, 287892), (924, 283530), (936, 279895), (990, 264628), (1001, 261720), (1092, 239910), (1144, 229005), (1155, 226824), (1170, 223916), (1260, 207922), (1287, 203560), (1320, 198471), (1365, 191928), (1386, 189020), (1430, 183204), (1454, 180180), (1540, 170118), (1560, 167937), (1638, 159940), (1716, 152670), (1820, 143946), (1848, 141765), (1980, 132314), (2002, 130860), (2145, 122136), (2181, 120120), (2184, 119955), (2310, 113412), (2340, 111958), (2520, 103961), (2574, 101780), (2730, 95964), (2772, 94510), (2860, 91602), (2908, 90090), (3003, 87240), (3080, 85059), (3276, 79970), (3432, 76335), (3465, 75608), (3635, 72072), (3640, 71973), (3960, 66157), (4004, 65430), (4095, 63976), (4290, 61068), (4362, 60060), (4620, 56706), (4680, 55979), (5005, 52344), (5089, 51480), (5148, 50890), (5460, 47982), (5544, 47255), (5720, 45801), (5816, 45045), (6006, 43620), (6435, 40712), (6543, 40040), (6552, 39985), (6930, 37804), (7270, 36036), (7997, 32760), (8008, 32715), (8190, 31988), (8580, 30534), (8724, 30030), (9009, 29080), (9240, 28353), (9451, 27720), (10010, 26172), (10178, 25740), (10296, 25445), (10905, 24024), (10920, 23991), (12012, 21810), (12870, 20356), (13086, 20020), (13860, 18902), (14540, 18018), (15015, 17448), (15267, 17160), (15994, 16380)]