20660920320

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:918

約数の個数: 224

約数和(自身を含む): 66458884608

約数和(自身を除く): 45797964288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 277, 320, 384, 480, 512, 554, 607, 640, 768, 831, 960, 1024, 1108, 1214, 1280, 1385, 1536, 1662, 1821, 1920, 2048, 2216, 2428, 2560, 2770, 3035, 3072, 3324, 3642, 3840, 4096, 4155, 4432, 4856, 5120, 5540, 6070, 6144, 6648, 7284, 7680, 8192, 8310, 8864, 9105, 9712, 10240, 11080, 12140, 12288, 13296, 14568, 15360, 16620, 17728, 18210, 19424, 20480, 22160, 24280, 24576, 26592, 29136, 30720, 33240, 35456, 36420, 38848, 40960, 44320, 48560, 53184, 58272, 61440, 66480, 70912, 72840, 77696, 88640, 97120, 106368, 116544, 122880, 132960, 141824, 145680, 155392, 168139, 177280, 194240, 212736, 233088, 265920, 283648, 291360, 310784, 336278, 354560, 388480, 425472, 466176, 504417, 531840, 567296, 582720, 621568, 672556, 709120, 776960, 840695, 850944, 932352, 1008834, 1063680, 1134592, 1165440, 1243136, 1345112, 1418240, 1553920, 1681390, 1701888, 1864704, 2017668, 2127360, 2269184, 2330880, 2486272, 2522085, 2690224, 2836480, 3107840, 3362780, 3403776, 3729408, 4035336, 4254720, 4661760, 4972544, 5044170, 5380448, 5672960, 6215680, 6725560, 6807552, 7458816, 8070672, 8509440, 9323520, 10088340, 10760896, 11345920, 12431360, 13451120, 14917632, 16141344, 17018880, 18647040, 20176680, 21521792, 24862720, 26902240, 32282688, 34037760, 37294080, 40353360, 43043584, 53804480, 64565376, 74588160, 80706720, 86087168, 107608960, 129130752, 161413440, 172174336, 215217920, 258261504, 322826880, 344348672, 430435840, 516523008, 645653760, 688697344, 860871680, 1033046016, 1291307520, 1377394688, 1721743360, 2066092032, 2582615040, 3443486720, 4132184064, 5165230080, 6886973440, 10330460160, 20660920320]

約数ペア:

[(1, 20660920320), (2, 10330460160), (3, 6886973440), (4, 5165230080), (5, 4132184064), (6, 3443486720), (8, 2582615040), (10, 2066092032), (12, 1721743360), (15, 1377394688), (16, 1291307520), (20, 1033046016), (24, 860871680), (30, 688697344), (32, 645653760), (40, 516523008), (48, 430435840), (60, 344348672), (64, 322826880), (80, 258261504), (96, 215217920), (120, 172174336), (128, 161413440), (160, 129130752), (192, 107608960), (240, 86087168), (256, 80706720), (277, 74588160), (320, 64565376), (384, 53804480), (480, 43043584), (512, 40353360), (554, 37294080), (607, 34037760), (640, 32282688), (768, 26902240), (831, 24862720), (960, 21521792), (1024, 20176680), (1108, 18647040), (1214, 17018880), (1280, 16141344), (1385, 14917632), (1536, 13451120), (1662, 12431360), (1821, 11345920), (1920, 10760896), (2048, 10088340), (2216, 9323520), (2428, 8509440), (2560, 8070672), (2770, 7458816), (3035, 6807552), (3072, 6725560), (3324, 6215680), (3642, 5672960), (3840, 5380448), (4096, 5044170), (4155, 4972544), (4432, 4661760), (4856, 4254720), (5120, 4035336), (5540, 3729408), (6070, 3403776), (6144, 3362780), (6648, 3107840), (7284, 2836480), (7680, 2690224), (8192, 2522085), (8310, 2486272), (8864, 2330880), (9105, 2269184), (9712, 2127360), (10240, 2017668), (11080, 1864704), (12140, 1701888), (12288, 1681390), (13296, 1553920), (14568, 1418240), (15360, 1345112), (16620, 1243136), (17728, 1165440), (18210, 1134592), (19424, 1063680), (20480, 1008834), (22160, 932352), (24280, 850944), (24576, 840695), (26592, 776960), (29136, 709120), (30720, 672556), (33240, 621568), (35456, 582720), (36420, 567296), (38848, 531840), (40960, 504417), (44320, 466176), (48560, 425472), (53184, 388480), (58272, 354560), (61440, 336278), (66480, 310784), (70912, 291360), (72840, 283648), (77696, 265920), (88640, 233088), (97120, 212736), (106368, 194240), (116544, 177280), (122880, 168139), (132960, 155392), (141824, 145680)]