661754160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 240

約数和(自身を含む): 2350296000

約数和(自身を除く): 1688541840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 89, 90, 92, 115, 120, 138, 144, 178, 180, 184, 207, 230, 240, 267, 276, 345, 356, 360, 368, 414, 445, 449, 460, 534, 552, 690, 712, 720, 801, 828, 890, 898, 920, 1035, 1068, 1104, 1335, 1347, 1380, 1424, 1602, 1656, 1780, 1796, 1840, 2047, 2070, 2136, 2245, 2670, 2694, 2760, 3204, 3312, 3560, 3592, 4005, 4041, 4094, 4140, 4272, 4490, 5340, 5388, 5520, 6141, 6408, 6735, 7120, 7184, 8010, 8082, 8188, 8280, 8980, 10235, 10327, 10680, 10776, 12282, 12816, 13470, 16020, 16164, 16376, 16560, 17960, 18423, 20205, 20470, 20654, 21360, 21552, 24564, 26940, 30705, 30981, 32040, 32328, 32752, 35920, 36846, 39961, 40410, 40940, 41308, 49128, 51635, 53880, 61410, 61962, 64080, 64656, 73692, 79922, 80820, 81880, 82616, 92115, 92943, 98256, 103270, 107760, 119883, 122820, 123924, 147384, 154905, 159844, 161640, 163760, 165232, 184230, 185886, 199805, 206540, 239766, 245640, 247848, 294768, 309810, 319688, 323280, 359649, 368460, 371772, 399610, 413080, 464715, 479532, 491280, 495696, 599415, 619620, 639376, 719298, 736920, 743544, 799220, 826160, 919103, 929430, 959064, 1198830, 1239240, 1438596, 1473840, 1487088, 1598440, 1798245, 1838206, 1858860, 1918128, 2397660, 2478480, 2757309, 2877192, 3196880, 3596490, 3676412, 3717720, 4595515, 4795320, 5514618, 5754384, 7192980, 7352824, 7435440, 8271927, 9191030, 9590640, 11029236, 13786545, 14385960, 14705648, 16543854, 18382060, 22058472, 27573090, 28771920, 33087708, 36764120, 41359635, 44116944, 55146180, 66175416, 73528240, 82719270, 110292360, 132350832, 165438540, 220584720, 330877080, 661754160]

約数ペア:

[(1, 661754160), (2, 330877080), (3, 220584720), (4, 165438540), (5, 132350832), (6, 110292360), (8, 82719270), (9, 73528240), (10, 66175416), (12, 55146180), (15, 44116944), (16, 41359635), (18, 36764120), (20, 33087708), (23, 28771920), (24, 27573090), (30, 22058472), (36, 18382060), (40, 16543854), (45, 14705648), (46, 14385960), (48, 13786545), (60, 11029236), (69, 9590640), (72, 9191030), (80, 8271927), (89, 7435440), (90, 7352824), (92, 7192980), (115, 5754384), (120, 5514618), (138, 4795320), (144, 4595515), (178, 3717720), (180, 3676412), (184, 3596490), (207, 3196880), (230, 2877192), (240, 2757309), (267, 2478480), (276, 2397660), (345, 1918128), (356, 1858860), (360, 1838206), (368, 1798245), (414, 1598440), (445, 1487088), (449, 1473840), (460, 1438596), (534, 1239240), (552, 1198830), (690, 959064), (712, 929430), (720, 919103), (801, 826160), (828, 799220), (890, 743544), (898, 736920), (920, 719298), (1035, 639376), (1068, 619620), (1104, 599415), (1335, 495696), (1347, 491280), (1380, 479532), (1424, 464715), (1602, 413080), (1656, 399610), (1780, 371772), (1796, 368460), (1840, 359649), (2047, 323280), (2070, 319688), (2136, 309810), (2245, 294768), (2670, 247848), (2694, 245640), (2760, 239766), (3204, 206540), (3312, 199805), (3560, 185886), (3592, 184230), (4005, 165232), (4041, 163760), (4094, 161640), (4140, 159844), (4272, 154905), (4490, 147384), (5340, 123924), (5388, 122820), (5520, 119883), (6141, 107760), (6408, 103270), (6735, 98256), (7120, 92943), (7184, 92115), (8010, 82616), (8082, 81880), (8188, 80820), (8280, 79922), (8980, 73692), (10235, 64656), (10327, 64080), (10680, 61962), (10776, 61410), (12282, 53880), (12816, 51635), (13470, 49128), (16020, 41308), (16164, 40940), (16376, 40410), (16560, 39961), (17960, 36846), (18423, 35920), (20205, 32752), (20470, 32328), (20654, 32040), (21360, 30981), (21552, 30705), (24564, 26940)]