19988003040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{50969}}^1$

素因数の和:51049

約数の個数: 192

約数和(自身を含む): 67818643200

約数和(自身を除く): 47830640160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 96, 114, 120, 129, 152, 160, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 430, 456, 480, 516, 570, 608, 645, 688, 760, 817, 860, 912, 1032, 1140, 1290, 1376, 1520, 1634, 1720, 1824, 2064, 2280, 2451, 2580, 3040, 3268, 3440, 4085, 4128, 4560, 4902, 5160, 6536, 6880, 8170, 9120, 9804, 10320, 12255, 13072, 16340, 19608, 20640, 24510, 26144, 32680, 39216, 49020, 50969, 65360, 78432, 98040, 101938, 130720, 152907, 196080, 203876, 254845, 305814, 392160, 407752, 509690, 611628, 764535, 815504, 968411, 1019380, 1223256, 1529070, 1631008, 1936822, 2038760, 2191667, 2446512, 2905233, 3058140, 3873644, 4077520, 4383334, 4842055, 4893024, 5810466, 6116280, 6575001, 7747288, 8155040, 8766668, 9684110, 10958335, 11620932, 12232560, 13150002, 14526165, 15494576, 17533336, 19368220, 21916670, 23241864, 24465120, 26300004, 29052330, 30989152, 32875005, 35066672, 38736440, 41641673, 43833340, 46483728, 52600008, 58104660, 65750010, 70133344, 77472880, 83283346, 87666680, 92967456, 105200016, 116209320, 124925019, 131500020, 154945760, 166566692, 175333360, 208208365, 210400032, 232418640, 249850038, 263000040, 333133384, 350666720, 416416730, 464837280, 499700076, 526000080, 624625095, 666266768, 832833460, 999400152, 1052000160, 1249250190, 1332533536, 1665666920, 1998800304, 2498500380, 3331333840, 3997600608, 4997000760, 6662667680, 9994001520, 19988003040]

約数ペア:

[(1, 19988003040), (2, 9994001520), (3, 6662667680), (4, 4997000760), (5, 3997600608), (6, 3331333840), (8, 2498500380), (10, 1998800304), (12, 1665666920), (15, 1332533536), (16, 1249250190), (19, 1052000160), (20, 999400152), (24, 832833460), (30, 666266768), (32, 624625095), (38, 526000080), (40, 499700076), (43, 464837280), (48, 416416730), (57, 350666720), (60, 333133384), (76, 263000040), (80, 249850038), (86, 232418640), (95, 210400032), (96, 208208365), (114, 175333360), (120, 166566692), (129, 154945760), (152, 131500020), (160, 124925019), (172, 116209320), (190, 105200016), (215, 92967456), (228, 87666680), (240, 83283346), (258, 77472880), (285, 70133344), (304, 65750010), (344, 58104660), (380, 52600008), (430, 46483728), (456, 43833340), (480, 41641673), (516, 38736440), (570, 35066672), (608, 32875005), (645, 30989152), (688, 29052330), (760, 26300004), (817, 24465120), (860, 23241864), (912, 21916670), (1032, 19368220), (1140, 17533336), (1290, 15494576), (1376, 14526165), (1520, 13150002), (1634, 12232560), (1720, 11620932), (1824, 10958335), (2064, 9684110), (2280, 8766668), (2451, 8155040), (2580, 7747288), (3040, 6575001), (3268, 6116280), (3440, 5810466), (4085, 4893024), (4128, 4842055), (4560, 4383334), (4902, 4077520), (5160, 3873644), (6536, 3058140), (6880, 2905233), (8170, 2446512), (9120, 2191667), (9804, 2038760), (10320, 1936822), (12255, 1631008), (13072, 1529070), (16340, 1223256), (19608, 1019380), (20640, 968411), (24510, 815504), (26144, 764535), (32680, 611628), (39216, 509690), (49020, 407752), (50969, 392160), (65360, 305814), (78432, 254845), (98040, 203876), (101938, 196080), (130720, 152907)]