391448960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 256

約数和(自身を含む): 1163289600

約数和(自身を除く): 771840640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 29, 32, 35, 40, 46, 56, 58, 64, 70, 80, 92, 112, 115, 116, 128, 131, 140, 145, 160, 161, 184, 203, 224, 230, 232, 262, 280, 290, 320, 322, 368, 406, 448, 460, 464, 524, 560, 580, 640, 644, 655, 667, 736, 805, 812, 896, 917, 920, 928, 1015, 1048, 1120, 1160, 1288, 1310, 1334, 1472, 1610, 1624, 1834, 1840, 1856, 2030, 2096, 2240, 2320, 2576, 2620, 2668, 2944, 3013, 3220, 3248, 3335, 3668, 3680, 3712, 3799, 4060, 4192, 4480, 4585, 4640, 4669, 5152, 5240, 5336, 6026, 6440, 6496, 6670, 7336, 7360, 7598, 8120, 8384, 9170, 9280, 9338, 10304, 10480, 10672, 12052, 12880, 12992, 13340, 14672, 14720, 15065, 15196, 16240, 16768, 18340, 18560, 18676, 18995, 20608, 20960, 21091, 21344, 23345, 24104, 25760, 25984, 26593, 26680, 29344, 30130, 30392, 32480, 36680, 37352, 37990, 41920, 42182, 42688, 46690, 48208, 51520, 53186, 53360, 58688, 60260, 60784, 64960, 73360, 74704, 75980, 83840, 84364, 85376, 87377, 93380, 96416, 103040, 105455, 106372, 106720, 117376, 120520, 121568, 129920, 132965, 146720, 149408, 151960, 168728, 174754, 186760, 192832, 210910, 212744, 213440, 241040, 243136, 265930, 293440, 298816, 303920, 337456, 349508, 373520, 385664, 421820, 425488, 426880, 436885, 482080, 486272, 531860, 586880, 597632, 607840, 611639, 674912, 699016, 747040, 843640, 850976, 873770, 964160, 1063720, 1215680, 1223278, 1349824, 1398032, 1494080, 1687280, 1701952, 1747540, 1928320, 2127440, 2431360, 2446556, 2699648, 2796064, 2988160, 3058195, 3374560, 3403904, 3495080, 4254880, 4893112, 5592128, 6116390, 6749120, 6990160, 8509760, 9786224, 11184256, 12232780, 13498240, 13980320, 17019520, 19572448, 24465560, 27960640, 39144896, 48931120, 55921280, 78289792, 97862240, 195724480, 391448960]

約数ペア:

[(1, 391448960), (2, 195724480), (4, 97862240), (5, 78289792), (7, 55921280), (8, 48931120), (10, 39144896), (14, 27960640), (16, 24465560), (20, 19572448), (23, 17019520), (28, 13980320), (29, 13498240), (32, 12232780), (35, 11184256), (40, 9786224), (46, 8509760), (56, 6990160), (58, 6749120), (64, 6116390), (70, 5592128), (80, 4893112), (92, 4254880), (112, 3495080), (115, 3403904), (116, 3374560), (128, 3058195), (131, 2988160), (140, 2796064), (145, 2699648), (160, 2446556), (161, 2431360), (184, 2127440), (203, 1928320), (224, 1747540), (230, 1701952), (232, 1687280), (262, 1494080), (280, 1398032), (290, 1349824), (320, 1223278), (322, 1215680), (368, 1063720), (406, 964160), (448, 873770), (460, 850976), (464, 843640), (524, 747040), (560, 699016), (580, 674912), (640, 611639), (644, 607840), (655, 597632), (667, 586880), (736, 531860), (805, 486272), (812, 482080), (896, 436885), (917, 426880), (920, 425488), (928, 421820), (1015, 385664), (1048, 373520), (1120, 349508), (1160, 337456), (1288, 303920), (1310, 298816), (1334, 293440), (1472, 265930), (1610, 243136), (1624, 241040), (1834, 213440), (1840, 212744), (1856, 210910), (2030, 192832), (2096, 186760), (2240, 174754), (2320, 168728), (2576, 151960), (2620, 149408), (2668, 146720), (2944, 132965), (3013, 129920), (3220, 121568), (3248, 120520), (3335, 117376), (3668, 106720), (3680, 106372), (3712, 105455), (3799, 103040), (4060, 96416), (4192, 93380), (4480, 87377), (4585, 85376), (4640, 84364), (4669, 83840), (5152, 75980), (5240, 74704), (5336, 73360), (6026, 64960), (6440, 60784), (6496, 60260), (6670, 58688), (7336, 53360), (7360, 53186), (7598, 51520), (8120, 48208), (8384, 46690), (9170, 42688), (9280, 42182), (9338, 41920), (10304, 37990), (10480, 37352), (10672, 36680), (12052, 32480), (12880, 30392), (12992, 30130), (13340, 29344), (14672, 26680), (14720, 26593), (15065, 25984), (15196, 25760), (16240, 24104), (16768, 23345), (18340, 21344), (18560, 21091), (18676, 20960), (18995, 20608)]