247506840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{1559}}^1$

素因数の和:1596

約数の個数: 240

約数和(自身を含む): 968338800

約数和(自身を除く): 720831960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1559, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3118, 3240, 3528, 3780, 3969, 4410, 4536, 4677, 5292, 5670, 5880, 6236, 6615, 7560, 7795, 7938, 8820, 9354, 10584, 10913, 11340, 12472, 13230, 14031, 15590, 15876, 17640, 18708, 19845, 21826, 22680, 23385, 26460, 28062, 31180, 31752, 32739, 37416, 39690, 42093, 43652, 46770, 52920, 54565, 56124, 62360, 65478, 70155, 76391, 79380, 84186, 87304, 93540, 98217, 109130, 112248, 126279, 130956, 140310, 152782, 158760, 163695, 168372, 187080, 196434, 210465, 218260, 229173, 252558, 261912, 280620, 294651, 305564, 327390, 336744, 381955, 392868, 420930, 436520, 458346, 491085, 505116, 561240, 589302, 611128, 631395, 654780, 687519, 763910, 785736, 841860, 883953, 916692, 982170, 1010232, 1145865, 1178604, 1262790, 1309560, 1375038, 1473255, 1527820, 1683720, 1767906, 1833384, 1964340, 2062557, 2291730, 2357208, 2525580, 2750076, 2946510, 3055640, 3437595, 3535812, 3928680, 4125114, 4419765, 4583460, 5051160, 5500152, 5893020, 6187671, 6875190, 7071624, 8250228, 8839530, 9166920, 10312785, 11786040, 12375342, 13750380, 16500456, 17679060, 20625570, 24750684, 27500760, 30938355, 35358120, 41251140, 49501368, 61876710, 82502280, 123753420, 247506840]

約数ペア:

[(1, 247506840), (2, 123753420), (3, 82502280), (4, 61876710), (5, 49501368), (6, 41251140), (7, 35358120), (8, 30938355), (9, 27500760), (10, 24750684), (12, 20625570), (14, 17679060), (15, 16500456), (18, 13750380), (20, 12375342), (21, 11786040), (24, 10312785), (27, 9166920), (28, 8839530), (30, 8250228), (35, 7071624), (36, 6875190), (40, 6187671), (42, 5893020), (45, 5500152), (49, 5051160), (54, 4583460), (56, 4419765), (60, 4125114), (63, 3928680), (70, 3535812), (72, 3437595), (81, 3055640), (84, 2946510), (90, 2750076), (98, 2525580), (105, 2357208), (108, 2291730), (120, 2062557), (126, 1964340), (135, 1833384), (140, 1767906), (147, 1683720), (162, 1527820), (168, 1473255), (180, 1375038), (189, 1309560), (196, 1262790), (210, 1178604), (216, 1145865), (245, 1010232), (252, 982170), (270, 916692), (280, 883953), (294, 841860), (315, 785736), (324, 763910), (360, 687519), (378, 654780), (392, 631395), (405, 611128), (420, 589302), (441, 561240), (490, 505116), (504, 491085), (540, 458346), (567, 436520), (588, 420930), (630, 392868), (648, 381955), (735, 336744), (756, 327390), (810, 305564), (840, 294651), (882, 280620), (945, 261912), (980, 252558), (1080, 229173), (1134, 218260), (1176, 210465), (1260, 196434), (1323, 187080), (1470, 168372), (1512, 163695), (1559, 158760), (1620, 152782), (1764, 140310), (1890, 130956), (1960, 126279), (2205, 112248), (2268, 109130), (2520, 98217), (2646, 93540), (2835, 87304), (2940, 84186), (3118, 79380), (3240, 76391), (3528, 70155), (3780, 65478), (3969, 62360), (4410, 56124), (4536, 54565), (4677, 52920), (5292, 46770), (5670, 43652), (5880, 42093), (6236, 39690), (6615, 37416), (7560, 32739), (7795, 31752), (7938, 31180), (8820, 28062), (9354, 26460), (10584, 23385), (10913, 22680), (11340, 21826), (12472, 19845), (13230, 18708), (14031, 17640), (15590, 15876)]