20502318720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26497}}^1$

素因数の和:26563

約数の個数: 256

約数和(自身を含む): 72651156480

約数和(自身を除く): 52148837760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 372, 384, 390, 403, 416, 465, 480, 496, 520, 620, 624, 640, 744, 780, 806, 832, 930, 960, 992, 1040, 1209, 1240, 1248, 1488, 1560, 1612, 1664, 1860, 1920, 1984, 2015, 2080, 2418, 2480, 2496, 2976, 3120, 3224, 3720, 3968, 4030, 4160, 4836, 4960, 4992, 5952, 6045, 6240, 6448, 7440, 8060, 8320, 9672, 9920, 11904, 12090, 12480, 12896, 14880, 16120, 19344, 19840, 24180, 24960, 25792, 26497, 29760, 32240, 38688, 48360, 51584, 52994, 59520, 64480, 77376, 79491, 96720, 105988, 128960, 132485, 154752, 158982, 193440, 211976, 257920, 264970, 317964, 344461, 386880, 397455, 423952, 529940, 635928, 688922, 773760, 794910, 821407, 847904, 1033383, 1059880, 1271856, 1377844, 1589820, 1642814, 1695808, 1722305, 2066766, 2119760, 2464221, 2543712, 2755688, 3179640, 3285628, 3391616, 3444610, 4107035, 4133532, 4239520, 4928442, 5087424, 5166915, 5511376, 6359280, 6571256, 6889220, 8214070, 8267064, 8479040, 9856884, 10174848, 10333830, 10678291, 11022752, 12321105, 12718560, 13142512, 13778440, 16428140, 16534128, 16958080, 19713768, 20667660, 21356582, 22045504, 24642210, 25437120, 26285024, 27556880, 32034873, 32856280, 33068256, 39427536, 41335320, 42713164, 44091008, 49284420, 50874240, 52570048, 53391455, 55113760, 64069746, 65712560, 66136512, 78855072, 82670640, 85426328, 98568840, 105140096, 106782910, 110227520, 128139492, 131425120, 132273024, 157710144, 160174365, 165341280, 170852656, 197137680, 213565820, 220455040, 256278984, 262850240, 315420288, 320348730, 330682560, 341705312, 394275360, 427131640, 512557968, 525700480, 640697460, 661365120, 683410624, 788550720, 854263280, 1025115936, 1281394920, 1366821248, 1577101440, 1708526560, 2050231872, 2562789840, 3417053120, 4100463744, 5125579680, 6834106240, 10251159360, 20502318720]

約数ペア:

[(1, 20502318720), (2, 10251159360), (3, 6834106240), (4, 5125579680), (5, 4100463744), (6, 3417053120), (8, 2562789840), (10, 2050231872), (12, 1708526560), (13, 1577101440), (15, 1366821248), (16, 1281394920), (20, 1025115936), (24, 854263280), (26, 788550720), (30, 683410624), (31, 661365120), (32, 640697460), (39, 525700480), (40, 512557968), (48, 427131640), (52, 394275360), (60, 341705312), (62, 330682560), (64, 320348730), (65, 315420288), (78, 262850240), (80, 256278984), (93, 220455040), (96, 213565820), (104, 197137680), (120, 170852656), (124, 165341280), (128, 160174365), (130, 157710144), (155, 132273024), (156, 131425120), (160, 128139492), (186, 110227520), (192, 106782910), (195, 105140096), (208, 98568840), (240, 85426328), (248, 82670640), (260, 78855072), (310, 66136512), (312, 65712560), (320, 64069746), (372, 55113760), (384, 53391455), (390, 52570048), (403, 50874240), (416, 49284420), (465, 44091008), (480, 42713164), (496, 41335320), (520, 39427536), (620, 33068256), (624, 32856280), (640, 32034873), (744, 27556880), (780, 26285024), (806, 25437120), (832, 24642210), (930, 22045504), (960, 21356582), (992, 20667660), (1040, 19713768), (1209, 16958080), (1240, 16534128), (1248, 16428140), (1488, 13778440), (1560, 13142512), (1612, 12718560), (1664, 12321105), (1860, 11022752), (1920, 10678291), (1984, 10333830), (2015, 10174848), (2080, 9856884), (2418, 8479040), (2480, 8267064), (2496, 8214070), (2976, 6889220), (3120, 6571256), (3224, 6359280), (3720, 5511376), (3968, 5166915), (4030, 5087424), (4160, 4928442), (4836, 4239520), (4960, 4133532), (4992, 4107035), (5952, 3444610), (6045, 3391616), (6240, 3285628), (6448, 3179640), (7440, 2755688), (8060, 2543712), (8320, 2464221), (9672, 2119760), (9920, 2066766), (11904, 1722305), (12090, 1695808), (12480, 1642814), (12896, 1589820), (14880, 1377844), (16120, 1271856), (19344, 1059880), (19840, 1033383), (24180, 847904), (24960, 821407), (25792, 794910), (26497, 773760), (29760, 688922), (32240, 635928), (38688, 529940), (48360, 423952), (51584, 397455), (52994, 386880), (59520, 344461), (64480, 317964), (77376, 264970), (79491, 257920), (96720, 211976), (105988, 193440), (128960, 158982), (132485, 154752)]