2090256840

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 384

約数和(自身を含む): 8319467520

約数和(自身を除く): 6229210680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 243, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 465, 486, 504, 540, 558, 567, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 930, 945, 972, 991, 1080, 1085, 1116, 1134, 1215, 1240, 1260, 1302, 1395, 1512, 1620, 1674, 1701, 1736, 1860, 1890, 1944, 1953, 1982, 2170, 2232, 2268, 2430, 2511, 2520, 2604, 2790, 2835, 2973, 3240, 3255, 3348, 3402, 3720, 3780, 3906, 3964, 4185, 4340, 4536, 4860, 4955, 5022, 5208, 5580, 5670, 5859, 5946, 6510, 6696, 6804, 6937, 7533, 7560, 7812, 7928, 8370, 8505, 8680, 8919, 9720, 9765, 9910, 10044, 11160, 11340, 11718, 11892, 12555, 13020, 13608, 13874, 14865, 15066, 15624, 16740, 17010, 17577, 17838, 19530, 19820, 20088, 20811, 22680, 23436, 23784, 25110, 26040, 26757, 27748, 29295, 29730, 30132, 30721, 33480, 34020, 34685, 35154, 35676, 37665, 39060, 39640, 41622, 44595, 46872, 50220, 52731, 53514, 55496, 58590, 59460, 60264, 61442, 62433, 68040, 69370, 70308, 71352, 75330, 78120, 80271, 83244, 87885, 89190, 92163, 100440, 104055, 105462, 107028, 117180, 118920, 122884, 124866, 133785, 138740, 140616, 150660, 153605, 160542, 166488, 175770, 178380, 184326, 187299, 208110, 210924, 214056, 215047, 234360, 240813, 245768, 249732, 263655, 267570, 276489, 277480, 301320, 307210, 312165, 321084, 351540, 356760, 368652, 374598, 401355, 416220, 421848, 430094, 460815, 481626, 499464, 527310, 535140, 552978, 561897, 614420, 624330, 642168, 645141, 703080, 737304, 749196, 802710, 829467, 832440, 860188, 921630, 936495, 963252, 1054620, 1070280, 1075235, 1105956, 1123794, 1204065, 1228840, 1248660, 1290282, 1382445, 1498392, 1605420, 1658934, 1685691, 1720376, 1843260, 1872990, 1926504, 1935423, 2109240, 2150470, 2211912, 2247588, 2408130, 2488401, 2497320, 2580564, 2764890, 2809485, 3210840, 3225705, 3317868, 3371382, 3686520, 3745980, 3870846, 4147335, 4300940, 4495176, 4816260, 4976802, 5161128, 5529780, 5618970, 5806269, 6451410, 6635736, 6742764, 7465203, 7491960, 7741692, 8294670, 8428455, 8601880, 9632520, 9677115, 9953604, 11059560, 11237940, 11612538, 12442005, 12902820, 13485528, 14930406, 15483384, 16589340, 16856910, 17418807, 19354230, 19907208, 22475880, 23225076, 24884010, 25805640, 29031345, 29860812, 33178680, 33713820, 34837614, 37326015, 38708460, 46450152, 49768020, 52256421, 58062690, 59721624, 67427640, 69675228, 74652030, 77416920, 87094035, 99536040, 104512842, 116125380, 139350456, 149304060, 174188070, 209025684, 232250760, 261282105, 298608120, 348376140, 418051368, 522564210, 696752280, 1045128420, 2090256840]

約数ペア:

[(1, 2090256840), (2, 1045128420), (3, 696752280), (4, 522564210), (5, 418051368), (6, 348376140), (7, 298608120), (8, 261282105), (9, 232250760), (10, 209025684), (12, 174188070), (14, 149304060), (15, 139350456), (18, 116125380), (20, 104512842), (21, 99536040), (24, 87094035), (27, 77416920), (28, 74652030), (30, 69675228), (31, 67427640), (35, 59721624), (36, 58062690), (40, 52256421), (42, 49768020), (45, 46450152), (54, 38708460), (56, 37326015), (60, 34837614), (62, 33713820), (63, 33178680), (70, 29860812), (72, 29031345), (81, 25805640), (84, 24884010), (90, 23225076), (93, 22475880), (105, 19907208), (108, 19354230), (120, 17418807), (124, 16856910), (126, 16589340), (135, 15483384), (140, 14930406), (155, 13485528), (162, 12902820), (168, 12442005), (180, 11612538), (186, 11237940), (189, 11059560), (210, 9953604), (216, 9677115), (217, 9632520), (243, 8601880), (248, 8428455), (252, 8294670), (270, 7741692), (279, 7491960), (280, 7465203), (310, 6742764), (315, 6635736), (324, 6451410), (360, 5806269), (372, 5618970), (378, 5529780), (405, 5161128), (420, 4976802), (434, 4816260), (465, 4495176), (486, 4300940), (504, 4147335), (540, 3870846), (558, 3745980), (567, 3686520), (620, 3371382), (630, 3317868), (648, 3225705), (651, 3210840), (744, 2809485), (756, 2764890), (810, 2580564), (837, 2497320), (840, 2488401), (868, 2408130), (930, 2247588), (945, 2211912), (972, 2150470), (991, 2109240), (1080, 1935423), (1085, 1926504), (1116, 1872990), (1134, 1843260), (1215, 1720376), (1240, 1685691), (1260, 1658934), (1302, 1605420), (1395, 1498392), (1512, 1382445), (1620, 1290282), (1674, 1248660), (1701, 1228840), (1736, 1204065), (1860, 1123794), (1890, 1105956), (1944, 1075235), (1953, 1070280), (1982, 1054620), (2170, 963252), (2232, 936495), (2268, 921630), (2430, 860188), (2511, 832440), (2520, 829467), (2604, 802710), (2790, 749196), (2835, 737304), (2973, 703080), (3240, 645141), (3255, 642168), (3348, 624330), (3402, 614420), (3720, 561897), (3780, 552978), (3906, 535140), (3964, 527310), (4185, 499464), (4340, 481626), (4536, 460815), (4860, 430094), (4955, 421848), (5022, 416220), (5208, 401355), (5580, 374598), (5670, 368652), (5859, 356760), (5946, 351540), (6510, 321084), (6696, 312165), (6804, 307210), (6937, 301320), (7533, 277480), (7560, 276489), (7812, 267570), (7928, 263655), (8370, 249732), (8505, 245768), (8680, 240813), (8919, 234360), (9720, 215047), (9765, 214056), (9910, 210924), (10044, 208110), (11160, 187299), (11340, 184326), (11718, 178380), (11892, 175770), (12555, 166488), (13020, 160542), (13608, 153605), (13874, 150660), (14865, 140616), (15066, 138740), (15624, 133785), (16740, 124866), (17010, 122884), (17577, 118920), (17838, 117180), (19530, 107028), (19820, 105462), (20088, 104055), (20811, 100440), (22680, 92163), (23436, 89190), (23784, 87885), (25110, 83244), (26040, 80271), (26757, 78120), (27748, 75330), (29295, 71352), (29730, 70308), (30132, 69370), (30721, 68040), (33480, 62433), (34020, 61442), (34685, 60264), (35154, 59460), (35676, 58590), (37665, 55496), (39060, 53514), (39640, 52731), (41622, 50220), (44595, 46872)]