1808764160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 5283919872

約数和(自身を除く): 3475155712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 67, 70, 80, 92, 112, 115, 128, 131, 134, 140, 160, 161, 184, 224, 230, 256, 262, 268, 280, 320, 322, 335, 368, 448, 460, 469, 524, 536, 560, 640, 644, 655, 670, 736, 805, 896, 917, 920, 938, 1048, 1072, 1120, 1280, 1288, 1310, 1340, 1472, 1541, 1610, 1792, 1834, 1840, 1876, 2096, 2144, 2240, 2345, 2576, 2620, 2680, 2944, 3013, 3082, 3220, 3668, 3680, 3752, 4192, 4288, 4480, 4585, 4690, 5152, 5240, 5360, 5888, 6026, 6164, 6440, 7336, 7360, 7504, 7705, 8384, 8576, 8777, 8960, 9170, 9380, 10304, 10480, 10720, 10787, 12052, 12328, 12880, 14672, 14720, 15008, 15065, 15410, 16768, 17152, 17554, 18340, 18760, 20608, 20960, 21091, 21440, 21574, 24104, 24656, 25760, 29344, 29440, 30016, 30130, 30820, 33536, 35108, 36680, 37520, 41216, 41920, 42182, 42880, 43148, 43885, 48208, 49312, 51520, 53935, 58688, 60032, 60260, 61439, 61640, 70216, 73360, 75040, 83840, 84364, 85760, 86296, 87770, 96416, 98624, 103040, 105455, 107870, 117376, 120064, 120520, 122878, 123280, 140432, 146720, 150080, 167680, 168728, 172592, 175540, 192832, 197248, 201871, 206080, 210910, 215740, 234752, 241040, 245756, 246560, 280864, 293440, 300160, 307195, 337456, 345184, 351080, 385664, 394496, 403742, 421820, 431480, 482080, 491512, 493120, 561728, 586880, 600320, 614390, 674912, 690368, 702160, 771328, 807484, 843640, 862960, 964160, 983024, 986240, 1009355, 1123456, 1173760, 1228780, 1349824, 1380736, 1404320, 1413097, 1614968, 1687280, 1725920, 1928320, 1966048, 1972480, 2018710, 2246912, 2457560, 2699648, 2761472, 2808640, 2826194, 3229936, 3374560, 3451840, 3856640, 3932096, 4037420, 4915120, 5399296, 5617280, 5652388, 6459872, 6749120, 6903680, 7065485, 7864192, 8074840, 9830240, 11234560, 11304776, 12919744, 13498240, 13807360, 14130970, 15728384, 16149680, 19660480, 22609552, 25839488, 26996480, 28261940, 32299360, 39320960, 45219104, 51678976, 56523880, 64598720, 78641920, 90438208, 113047760, 129197440, 180876416, 226095520, 258394880, 361752832, 452191040, 904382080, 1808764160]

約数ペア:

[(1, 1808764160), (2, 904382080), (4, 452191040), (5, 361752832), (7, 258394880), (8, 226095520), (10, 180876416), (14, 129197440), (16, 113047760), (20, 90438208), (23, 78641920), (28, 64598720), (32, 56523880), (35, 51678976), (40, 45219104), (46, 39320960), (56, 32299360), (64, 28261940), (67, 26996480), (70, 25839488), (80, 22609552), (92, 19660480), (112, 16149680), (115, 15728384), (128, 14130970), (131, 13807360), (134, 13498240), (140, 12919744), (160, 11304776), (161, 11234560), (184, 9830240), (224, 8074840), (230, 7864192), (256, 7065485), (262, 6903680), (268, 6749120), (280, 6459872), (320, 5652388), (322, 5617280), (335, 5399296), (368, 4915120), (448, 4037420), (460, 3932096), (469, 3856640), (524, 3451840), (536, 3374560), (560, 3229936), (640, 2826194), (644, 2808640), (655, 2761472), (670, 2699648), (736, 2457560), (805, 2246912), (896, 2018710), (917, 1972480), (920, 1966048), (938, 1928320), (1048, 1725920), (1072, 1687280), (1120, 1614968), (1280, 1413097), (1288, 1404320), (1310, 1380736), (1340, 1349824), (1472, 1228780), (1541, 1173760), (1610, 1123456), (1792, 1009355), (1834, 986240), (1840, 983024), (1876, 964160), (2096, 862960), (2144, 843640), (2240, 807484), (2345, 771328), (2576, 702160), (2620, 690368), (2680, 674912), (2944, 614390), (3013, 600320), (3082, 586880), (3220, 561728), (3668, 493120), (3680, 491512), (3752, 482080), (4192, 431480), (4288, 421820), (4480, 403742), (4585, 394496), (4690, 385664), (5152, 351080), (5240, 345184), (5360, 337456), (5888, 307195), (6026, 300160), (6164, 293440), (6440, 280864), (7336, 246560), (7360, 245756), (7504, 241040), (7705, 234752), (8384, 215740), (8576, 210910), (8777, 206080), (8960, 201871), (9170, 197248), (9380, 192832), (10304, 175540), (10480, 172592), (10720, 168728), (10787, 167680), (12052, 150080), (12328, 146720), (12880, 140432), (14672, 123280), (14720, 122878), (15008, 120520), (15065, 120064), (15410, 117376), (16768, 107870), (17152, 105455), (17554, 103040), (18340, 98624), (18760, 96416), (20608, 87770), (20960, 86296), (21091, 85760), (21440, 84364), (21574, 83840), (24104, 75040), (24656, 73360), (25760, 70216), (29344, 61640), (29440, 61439), (30016, 60260), (30130, 60032), (30820, 58688), (33536, 53935), (35108, 51520), (36680, 49312), (37520, 48208), (41216, 43885), (41920, 43148), (42182, 42880)]