78565760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 246758400

約数和(自身を除く): 168192640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 71, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 142, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 284, 304, 320, 355, 364, 380, 416, 448, 455, 494, 497, 520, 532, 560, 568, 608, 640, 665, 710, 728, 760, 832, 896, 910, 923, 988, 994, 1040, 1064, 1120, 1136, 1216, 1235, 1330, 1349, 1420, 1456, 1520, 1664, 1729, 1820, 1846, 1976, 1988, 2080, 2128, 2240, 2272, 2432, 2470, 2485, 2660, 2698, 2840, 2912, 3040, 3458, 3640, 3692, 3952, 3976, 4160, 4256, 4480, 4544, 4615, 4940, 4970, 5320, 5396, 5680, 5824, 6080, 6461, 6745, 6916, 7280, 7384, 7904, 7952, 8320, 8512, 8645, 9088, 9230, 9443, 9880, 9940, 10640, 10792, 11360, 11648, 12160, 12922, 13490, 13832, 14560, 14768, 15808, 15904, 17024, 17290, 17537, 18460, 18886, 19760, 19880, 21280, 21584, 22720, 25844, 26980, 27664, 29120, 29536, 31616, 31808, 32305, 34580, 35074, 36920, 37772, 39520, 39760, 42560, 43168, 45440, 47215, 51688, 53960, 55328, 58240, 59072, 63616, 64610, 69160, 70148, 73840, 75544, 79040, 79520, 85120, 86336, 87685, 94430, 103376, 107920, 110656, 118144, 122759, 129220, 138320, 140296, 147680, 151088, 158080, 159040, 172672, 175370, 188860, 206752, 215840, 221312, 245518, 258440, 276640, 280592, 295360, 302176, 318080, 350740, 377720, 413504, 431680, 491036, 516880, 553280, 561184, 590720, 604352, 613795, 701480, 755440, 827008, 863360, 982072, 1033760, 1106560, 1122368, 1208704, 1227590, 1402960, 1510880, 1964144, 2067520, 2244736, 2455180, 2805920, 3021760, 3928288, 4135040, 4910360, 5611840, 6043520, 7856576, 9820720, 11223680, 15713152, 19641440, 39282880, 78565760]

約数ペア:

[(1, 78565760), (2, 39282880), (4, 19641440), (5, 15713152), (7, 11223680), (8, 9820720), (10, 7856576), (13, 6043520), (14, 5611840), (16, 4910360), (19, 4135040), (20, 3928288), (26, 3021760), (28, 2805920), (32, 2455180), (35, 2244736), (38, 2067520), (40, 1964144), (52, 1510880), (56, 1402960), (64, 1227590), (65, 1208704), (70, 1122368), (71, 1106560), (76, 1033760), (80, 982072), (91, 863360), (95, 827008), (104, 755440), (112, 701480), (128, 613795), (130, 604352), (133, 590720), (140, 561184), (142, 553280), (152, 516880), (160, 491036), (182, 431680), (190, 413504), (208, 377720), (224, 350740), (247, 318080), (260, 302176), (266, 295360), (280, 280592), (284, 276640), (304, 258440), (320, 245518), (355, 221312), (364, 215840), (380, 206752), (416, 188860), (448, 175370), (455, 172672), (494, 159040), (497, 158080), (520, 151088), (532, 147680), (560, 140296), (568, 138320), (608, 129220), (640, 122759), (665, 118144), (710, 110656), (728, 107920), (760, 103376), (832, 94430), (896, 87685), (910, 86336), (923, 85120), (988, 79520), (994, 79040), (1040, 75544), (1064, 73840), (1120, 70148), (1136, 69160), (1216, 64610), (1235, 63616), (1330, 59072), (1349, 58240), (1420, 55328), (1456, 53960), (1520, 51688), (1664, 47215), (1729, 45440), (1820, 43168), (1846, 42560), (1976, 39760), (1988, 39520), (2080, 37772), (2128, 36920), (2240, 35074), (2272, 34580), (2432, 32305), (2470, 31808), (2485, 31616), (2660, 29536), (2698, 29120), (2840, 27664), (2912, 26980), (3040, 25844), (3458, 22720), (3640, 21584), (3692, 21280), (3952, 19880), (3976, 19760), (4160, 18886), (4256, 18460), (4480, 17537), (4544, 17290), (4615, 17024), (4940, 15904), (4970, 15808), (5320, 14768), (5396, 14560), (5680, 13832), (5824, 13490), (6080, 12922), (6461, 12160), (6745, 11648), (6916, 11360), (7280, 10792), (7384, 10640), (7904, 9940), (7952, 9880), (8320, 9443), (8512, 9230), (8645, 9088)]