28988960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 92461824

約数和(自身を除く): 63472864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 181, 182, 208, 220, 224, 260, 280, 286, 308, 352, 362, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 724, 728, 770, 880, 905, 910, 1001, 1040, 1120, 1144, 1232, 1267, 1430, 1448, 1456, 1540, 1760, 1810, 1820, 1991, 2002, 2080, 2288, 2353, 2464, 2534, 2860, 2896, 2912, 3080, 3620, 3640, 3982, 4004, 4576, 4706, 5005, 5068, 5720, 5792, 6160, 6335, 7240, 7280, 7964, 8008, 9412, 9955, 10010, 10136, 11440, 11765, 12320, 12670, 13937, 14480, 14560, 15928, 16016, 16471, 18824, 19910, 20020, 20272, 22880, 23530, 25340, 25883, 27874, 28960, 31856, 32032, 32942, 37648, 39820, 40040, 40544, 47060, 50680, 51766, 55748, 63712, 65884, 69685, 75296, 79640, 80080, 82355, 94120, 101360, 103532, 111496, 129415, 131768, 139370, 159280, 160160, 164710, 181181, 188240, 202720, 207064, 222992, 258830, 263536, 278740, 318560, 329420, 362362, 376480, 414128, 445984, 517660, 527072, 557480, 658840, 724724, 828256, 905905, 1035320, 1114960, 1317680, 1449448, 1811810, 2070640, 2229920, 2635360, 2898896, 3623620, 4141280, 5797792, 7247240, 14494480, 28988960]

約数ペア:

[(1, 28988960), (2, 14494480), (4, 7247240), (5, 5797792), (7, 4141280), (8, 3623620), (10, 2898896), (11, 2635360), (13, 2229920), (14, 2070640), (16, 1811810), (20, 1449448), (22, 1317680), (26, 1114960), (28, 1035320), (32, 905905), (35, 828256), (40, 724724), (44, 658840), (52, 557480), (55, 527072), (56, 517660), (65, 445984), (70, 414128), (77, 376480), (80, 362362), (88, 329420), (91, 318560), (104, 278740), (110, 263536), (112, 258830), (130, 222992), (140, 207064), (143, 202720), (154, 188240), (160, 181181), (176, 164710), (181, 160160), (182, 159280), (208, 139370), (220, 131768), (224, 129415), (260, 111496), (280, 103532), (286, 101360), (308, 94120), (352, 82355), (362, 80080), (364, 79640), (385, 75296), (416, 69685), (440, 65884), (455, 63712), (520, 55748), (560, 51766), (572, 50680), (616, 47060), (715, 40544), (724, 40040), (728, 39820), (770, 37648), (880, 32942), (905, 32032), (910, 31856), (1001, 28960), (1040, 27874), (1120, 25883), (1144, 25340), (1232, 23530), (1267, 22880), (1430, 20272), (1448, 20020), (1456, 19910), (1540, 18824), (1760, 16471), (1810, 16016), (1820, 15928), (1991, 14560), (2002, 14480), (2080, 13937), (2288, 12670), (2353, 12320), (2464, 11765), (2534, 11440), (2860, 10136), (2896, 10010), (2912, 9955), (3080, 9412), (3620, 8008), (3640, 7964), (3982, 7280), (4004, 7240), (4576, 6335), (4706, 6160), (5005, 5792), (5068, 5720)]