247289280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 224

約数和(自身を含む): 916838400

約数和(自身を除く): 669549120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 751, 784, 840, 960, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1502, 1568, 1680, 1715, 1960, 2058, 2240, 2253, 2352, 2744, 2940, 3004, 3136, 3360, 3430, 3755, 3920, 4116, 4506, 4704, 5145, 5257, 5488, 5880, 6008, 6720, 6860, 7510, 7840, 8232, 9012, 9408, 10290, 10514, 10976, 11265, 11760, 12016, 13720, 15020, 15680, 15771, 16464, 18024, 20580, 21028, 21952, 22530, 23520, 24032, 26285, 27440, 30040, 31542, 32928, 36048, 36799, 41160, 42056, 45060, 47040, 48064, 52570, 54880, 60080, 63084, 65856, 72096, 73598, 78855, 82320, 84112, 90120, 105140, 109760, 110397, 120160, 126168, 144192, 147196, 157710, 164640, 168224, 180240, 183995, 210280, 220794, 240320, 252336, 257593, 294392, 315420, 329280, 336448, 360480, 367990, 420560, 441588, 504672, 515186, 551985, 588784, 630840, 720960, 735980, 772779, 841120, 883176, 1009344, 1030372, 1103970, 1177568, 1261680, 1287965, 1471960, 1545558, 1682240, 1766352, 2060744, 2207940, 2355136, 2523360, 2575930, 2943920, 3091116, 3532704, 3863895, 4121488, 4415880, 5046720, 5151860, 5887840, 6182232, 7065408, 7727790, 8242976, 8831760, 10303720, 11775680, 12364464, 15455580, 16485952, 17663520, 20607440, 24728928, 30911160, 35327040, 41214880, 49457856, 61822320, 82429760, 123644640, 247289280]

約数ペア:

[(1, 247289280), (2, 123644640), (3, 82429760), (4, 61822320), (5, 49457856), (6, 41214880), (7, 35327040), (8, 30911160), (10, 24728928), (12, 20607440), (14, 17663520), (15, 16485952), (16, 15455580), (20, 12364464), (21, 11775680), (24, 10303720), (28, 8831760), (30, 8242976), (32, 7727790), (35, 7065408), (40, 6182232), (42, 5887840), (48, 5151860), (49, 5046720), (56, 4415880), (60, 4121488), (64, 3863895), (70, 3532704), (80, 3091116), (84, 2943920), (96, 2575930), (98, 2523360), (105, 2355136), (112, 2207940), (120, 2060744), (140, 1766352), (147, 1682240), (160, 1545558), (168, 1471960), (192, 1287965), (196, 1261680), (210, 1177568), (224, 1103970), (240, 1030372), (245, 1009344), (280, 883176), (294, 841120), (320, 772779), (336, 735980), (343, 720960), (392, 630840), (420, 588784), (448, 551985), (480, 515186), (490, 504672), (560, 441588), (588, 420560), (672, 367990), (686, 360480), (735, 336448), (751, 329280), (784, 315420), (840, 294392), (960, 257593), (980, 252336), (1029, 240320), (1120, 220794), (1176, 210280), (1344, 183995), (1372, 180240), (1470, 168224), (1502, 164640), (1568, 157710), (1680, 147196), (1715, 144192), (1960, 126168), (2058, 120160), (2240, 110397), (2253, 109760), (2352, 105140), (2744, 90120), (2940, 84112), (3004, 82320), (3136, 78855), (3360, 73598), (3430, 72096), (3755, 65856), (3920, 63084), (4116, 60080), (4506, 54880), (4704, 52570), (5145, 48064), (5257, 47040), (5488, 45060), (5880, 42056), (6008, 41160), (6720, 36799), (6860, 36048), (7510, 32928), (7840, 31542), (8232, 30040), (9012, 27440), (9408, 26285), (10290, 24032), (10514, 23520), (10976, 22530), (11265, 21952), (11760, 21028), (12016, 20580), (13720, 18024), (15020, 16464), (15680, 15771)]