257570040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 256

約数和(自身を含む): 964454400

約数和(自身を除く): 706884360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 103, 104, 105, 120, 130, 140, 156, 168, 182, 195, 206, 210, 229, 260, 273, 280, 309, 312, 364, 390, 412, 420, 455, 458, 515, 520, 546, 618, 687, 721, 728, 780, 824, 840, 910, 916, 1030, 1092, 1145, 1236, 1339, 1365, 1374, 1442, 1545, 1560, 1603, 1820, 1832, 2060, 2163, 2184, 2290, 2472, 2678, 2730, 2748, 2884, 2977, 3090, 3206, 3435, 3605, 3640, 4017, 4120, 4326, 4580, 4809, 5356, 5460, 5496, 5768, 5954, 6180, 6412, 6695, 6870, 7210, 8015, 8034, 8652, 8931, 9160, 9373, 9618, 10712, 10815, 10920, 11908, 12360, 12824, 13390, 13740, 14420, 14885, 16030, 16068, 17304, 17862, 18746, 19236, 20085, 20839, 21630, 23587, 23816, 24045, 26780, 27480, 28119, 28840, 29770, 32060, 32136, 35724, 37492, 38472, 40170, 41678, 43260, 44655, 46865, 47174, 48090, 53560, 56238, 59540, 62517, 64120, 70761, 71448, 74984, 80340, 83356, 86520, 89310, 93730, 94348, 96180, 104195, 112476, 117935, 119080, 125034, 140595, 141522, 160680, 165109, 166712, 178620, 187460, 188696, 192360, 208390, 224952, 235870, 250068, 281190, 283044, 306631, 312585, 330218, 353805, 357240, 374920, 416780, 471740, 495327, 500136, 562380, 566088, 613262, 625170, 660436, 707610, 825545, 833560, 919893, 943480, 990654, 1124760, 1226524, 1250340, 1320872, 1415220, 1533155, 1651090, 1839786, 1981308, 2146417, 2453048, 2476635, 2500680, 2830440, 3066310, 3302180, 3679572, 3962616, 4292834, 4599465, 4953270, 6132620, 6439251, 6604360, 7359144, 8585668, 9198930, 9906540, 10732085, 12265240, 12878502, 17171336, 18397860, 19813080, 21464170, 25757004, 32196255, 36795720, 42928340, 51514008, 64392510, 85856680, 128785020, 257570040]

約数ペア:

[(1, 257570040), (2, 128785020), (3, 85856680), (4, 64392510), (5, 51514008), (6, 42928340), (7, 36795720), (8, 32196255), (10, 25757004), (12, 21464170), (13, 19813080), (14, 18397860), (15, 17171336), (20, 12878502), (21, 12265240), (24, 10732085), (26, 9906540), (28, 9198930), (30, 8585668), (35, 7359144), (39, 6604360), (40, 6439251), (42, 6132620), (52, 4953270), (56, 4599465), (60, 4292834), (65, 3962616), (70, 3679572), (78, 3302180), (84, 3066310), (91, 2830440), (103, 2500680), (104, 2476635), (105, 2453048), (120, 2146417), (130, 1981308), (140, 1839786), (156, 1651090), (168, 1533155), (182, 1415220), (195, 1320872), (206, 1250340), (210, 1226524), (229, 1124760), (260, 990654), (273, 943480), (280, 919893), (309, 833560), (312, 825545), (364, 707610), (390, 660436), (412, 625170), (420, 613262), (455, 566088), (458, 562380), (515, 500136), (520, 495327), (546, 471740), (618, 416780), (687, 374920), (721, 357240), (728, 353805), (780, 330218), (824, 312585), (840, 306631), (910, 283044), (916, 281190), (1030, 250068), (1092, 235870), (1145, 224952), (1236, 208390), (1339, 192360), (1365, 188696), (1374, 187460), (1442, 178620), (1545, 166712), (1560, 165109), (1603, 160680), (1820, 141522), (1832, 140595), (2060, 125034), (2163, 119080), (2184, 117935), (2290, 112476), (2472, 104195), (2678, 96180), (2730, 94348), (2748, 93730), (2884, 89310), (2977, 86520), (3090, 83356), (3206, 80340), (3435, 74984), (3605, 71448), (3640, 70761), (4017, 64120), (4120, 62517), (4326, 59540), (4580, 56238), (4809, 53560), (5356, 48090), (5460, 47174), (5496, 46865), (5768, 44655), (5954, 43260), (6180, 41678), (6412, 40170), (6695, 38472), (6870, 37492), (7210, 35724), (8015, 32136), (8034, 32060), (8652, 29770), (8931, 28840), (9160, 28119), (9373, 27480), (9618, 26780), (10712, 24045), (10815, 23816), (10920, 23587), (11908, 21630), (12360, 20839), (12824, 20085), (13390, 19236), (13740, 18746), (14420, 17862), (14885, 17304), (16030, 16068)]