664535040

素因数分解:

$2^{18}\times 3^1\times 5^1\times {\mathrm{13}}^2$

素因数の和:70

約数の個数: 228

約数和(自身を含む): 2302668504

約数和(自身を除く): 1638133464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 480, 507, 512, 520, 624, 640, 676, 768, 780, 832, 845, 960, 1014, 1024, 1040, 1248, 1280, 1352, 1536, 1560, 1664, 1690, 1920, 2028, 2048, 2080, 2496, 2535, 2560, 2704, 3072, 3120, 3328, 3380, 3840, 4056, 4096, 4160, 4992, 5070, 5120, 5408, 6144, 6240, 6656, 6760, 7680, 8112, 8192, 8320, 9984, 10140, 10240, 10816, 12288, 12480, 13312, 13520, 15360, 16224, 16384, 16640, 19968, 20280, 20480, 21632, 24576, 24960, 26624, 27040, 30720, 32448, 32768, 33280, 39936, 40560, 40960, 43264, 49152, 49920, 53248, 54080, 61440, 64896, 65536, 66560, 79872, 81120, 81920, 86528, 98304, 99840, 106496, 108160, 122880, 129792, 131072, 133120, 159744, 162240, 163840, 173056, 196608, 199680, 212992, 216320, 245760, 259584, 262144, 266240, 319488, 324480, 327680, 346112, 393216, 399360, 425984, 432640, 491520, 519168, 532480, 638976, 648960, 655360, 692224, 786432, 798720, 851968, 865280, 983040, 1038336, 1064960, 1277952, 1297920, 1310720, 1384448, 1597440, 1703936, 1730560, 1966080, 2076672, 2129920, 2555904, 2595840, 2768896, 3194880, 3407872, 3461120, 3932160, 4153344, 4259840, 5111808, 5191680, 5537792, 6389760, 6922240, 8306688, 8519680, 10223616, 10383360, 11075584, 12779520, 13844480, 16613376, 17039360, 20766720, 22151168, 25559040, 27688960, 33226752, 41533440, 44302336, 51118080, 55377920, 66453504, 83066880, 110755840, 132907008, 166133760, 221511680, 332267520, 664535040]

約数ペア:

[(1, 664535040), (2, 332267520), (3, 221511680), (4, 166133760), (5, 132907008), (6, 110755840), (8, 83066880), (10, 66453504), (12, 55377920), (13, 51118080), (15, 44302336), (16, 41533440), (20, 33226752), (24, 27688960), (26, 25559040), (30, 22151168), (32, 20766720), (39, 17039360), (40, 16613376), (48, 13844480), (52, 12779520), (60, 11075584), (64, 10383360), (65, 10223616), (78, 8519680), (80, 8306688), (96, 6922240), (104, 6389760), (120, 5537792), (128, 5191680), (130, 5111808), (156, 4259840), (160, 4153344), (169, 3932160), (192, 3461120), (195, 3407872), (208, 3194880), (240, 2768896), (256, 2595840), (260, 2555904), (312, 2129920), (320, 2076672), (338, 1966080), (384, 1730560), (390, 1703936), (416, 1597440), (480, 1384448), (507, 1310720), (512, 1297920), (520, 1277952), (624, 1064960), (640, 1038336), (676, 983040), (768, 865280), (780, 851968), (832, 798720), (845, 786432), (960, 692224), (1014, 655360), (1024, 648960), (1040, 638976), (1248, 532480), (1280, 519168), (1352, 491520), (1536, 432640), (1560, 425984), (1664, 399360), (1690, 393216), (1920, 346112), (2028, 327680), (2048, 324480), (2080, 319488), (2496, 266240), (2535, 262144), (2560, 259584), (2704, 245760), (3072, 216320), (3120, 212992), (3328, 199680), (3380, 196608), (3840, 173056), (4056, 163840), (4096, 162240), (4160, 159744), (4992, 133120), (5070, 131072), (5120, 129792), (5408, 122880), (6144, 108160), (6240, 106496), (6656, 99840), (6760, 98304), (7680, 86528), (8112, 81920), (8192, 81120), (8320, 79872), (9984, 66560), (10140, 65536), (10240, 64896), (10816, 61440), (12288, 54080), (12480, 53248), (13312, 49920), (13520, 49152), (15360, 43264), (16224, 40960), (16384, 40560), (16640, 39936), (19968, 33280), (20280, 32768), (20480, 32448), (21632, 30720), (24576, 27040), (24960, 26624)]