280148960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 192

約数和(自身を含む): 829108224

約数和(自身を除く): 548959264

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 160, 182, 208, 224, 260, 271, 280, 284, 355, 364, 416, 455, 497, 520, 542, 560, 568, 710, 728, 910, 923, 994, 1040, 1084, 1120, 1136, 1355, 1420, 1456, 1820, 1846, 1897, 1988, 2080, 2168, 2272, 2485, 2710, 2840, 2912, 3523, 3640, 3692, 3794, 3976, 4336, 4615, 4970, 5420, 5680, 6461, 7046, 7280, 7384, 7588, 7952, 8672, 9230, 9485, 9940, 10840, 11360, 12922, 14092, 14560, 14768, 15176, 15904, 17615, 18460, 18970, 19241, 19880, 21680, 24661, 25844, 28184, 29536, 30352, 32305, 35230, 36920, 37940, 38482, 39760, 43360, 49322, 51688, 56368, 60704, 64610, 70460, 73840, 75880, 76964, 79520, 96205, 98644, 103376, 112736, 123305, 129220, 134687, 140920, 147680, 151760, 153928, 192410, 197288, 206752, 246610, 250133, 258440, 269374, 281840, 303520, 307856, 384820, 394576, 493220, 500266, 516880, 538748, 563680, 615712, 673435, 769640, 789152, 986440, 1000532, 1033760, 1077496, 1250665, 1346870, 1539280, 1750931, 1972880, 2001064, 2154992, 2501330, 2693740, 3078560, 3501862, 3945760, 4002128, 4309984, 5002660, 5387480, 7003724, 8004256, 8754655, 10005320, 10774960, 14007448, 17509310, 20010640, 21549920, 28014896, 35018620, 40021280, 56029792, 70037240, 140074480, 280148960]

約数ペア:

[(1, 280148960), (2, 140074480), (4, 70037240), (5, 56029792), (7, 40021280), (8, 35018620), (10, 28014896), (13, 21549920), (14, 20010640), (16, 17509310), (20, 14007448), (26, 10774960), (28, 10005320), (32, 8754655), (35, 8004256), (40, 7003724), (52, 5387480), (56, 5002660), (65, 4309984), (70, 4002128), (71, 3945760), (80, 3501862), (91, 3078560), (104, 2693740), (112, 2501330), (130, 2154992), (140, 2001064), (142, 1972880), (160, 1750931), (182, 1539280), (208, 1346870), (224, 1250665), (260, 1077496), (271, 1033760), (280, 1000532), (284, 986440), (355, 789152), (364, 769640), (416, 673435), (455, 615712), (497, 563680), (520, 538748), (542, 516880), (560, 500266), (568, 493220), (710, 394576), (728, 384820), (910, 307856), (923, 303520), (994, 281840), (1040, 269374), (1084, 258440), (1120, 250133), (1136, 246610), (1355, 206752), (1420, 197288), (1456, 192410), (1820, 153928), (1846, 151760), (1897, 147680), (1988, 140920), (2080, 134687), (2168, 129220), (2272, 123305), (2485, 112736), (2710, 103376), (2840, 98644), (2912, 96205), (3523, 79520), (3640, 76964), (3692, 75880), (3794, 73840), (3976, 70460), (4336, 64610), (4615, 60704), (4970, 56368), (5420, 51688), (5680, 49322), (6461, 43360), (7046, 39760), (7280, 38482), (7384, 37940), (7588, 36920), (7952, 35230), (8672, 32305), (9230, 30352), (9485, 29536), (9940, 28184), (10840, 25844), (11360, 24661), (12922, 21680), (14092, 19880), (14560, 19241), (14768, 18970), (15176, 18460), (15904, 17615)]