209653920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2311}}^1$

素因数の和:2345

約数の個数: 240

約数和(自身を含む): 845970048

約数和(自身を除く): 636316128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2311, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4622, 5040, 5670, 6048, 6480, 6933, 7560, 9072, 9244, 10080, 11340, 11555, 12960, 13866, 15120, 16177, 18144, 18488, 20799, 22680, 23110, 27732, 30240, 32354, 34665, 36976, 41598, 45360, 46220, 48531, 55464, 62397, 64708, 69330, 73952, 80885, 83196, 90720, 92440, 97062, 103995, 110928, 124794, 129416, 138660, 145593, 161770, 166392, 184880, 187191, 194124, 207990, 221856, 242655, 249588, 258832, 277320, 291186, 311985, 323540, 332784, 369760, 374382, 388248, 415980, 436779, 485310, 499176, 517664, 554640, 582372, 623970, 647080, 665568, 727965, 748764, 776496, 831960, 873558, 935955, 970620, 998352, 1109280, 1164744, 1247940, 1294160, 1310337, 1455930, 1497528, 1552992, 1663920, 1747116, 1871910, 1941240, 1996704, 2183895, 2329488, 2495880, 2588320, 2620674, 2911860, 2995056, 3327840, 3494232, 3743820, 3882480, 4367790, 4658976, 4991760, 5241348, 5823720, 5990112, 6551685, 6988464, 7487640, 7764960, 8735580, 9983520, 10482696, 11647440, 13103370, 13976928, 14975280, 17471160, 20965392, 23294880, 26206740, 29950560, 34942320, 41930784, 52413480, 69884640, 104826960, 209653920]

約数ペア:

[(1, 209653920), (2, 104826960), (3, 69884640), (4, 52413480), (5, 41930784), (6, 34942320), (7, 29950560), (8, 26206740), (9, 23294880), (10, 20965392), (12, 17471160), (14, 14975280), (15, 13976928), (16, 13103370), (18, 11647440), (20, 10482696), (21, 9983520), (24, 8735580), (27, 7764960), (28, 7487640), (30, 6988464), (32, 6551685), (35, 5990112), (36, 5823720), (40, 5241348), (42, 4991760), (45, 4658976), (48, 4367790), (54, 3882480), (56, 3743820), (60, 3494232), (63, 3327840), (70, 2995056), (72, 2911860), (80, 2620674), (81, 2588320), (84, 2495880), (90, 2329488), (96, 2183895), (105, 1996704), (108, 1941240), (112, 1871910), (120, 1747116), (126, 1663920), (135, 1552992), (140, 1497528), (144, 1455930), (160, 1310337), (162, 1294160), (168, 1247940), (180, 1164744), (189, 1109280), (210, 998352), (216, 970620), (224, 935955), (240, 873558), (252, 831960), (270, 776496), (280, 748764), (288, 727965), (315, 665568), (324, 647080), (336, 623970), (360, 582372), (378, 554640), (405, 517664), (420, 499176), (432, 485310), (480, 436779), (504, 415980), (540, 388248), (560, 374382), (567, 369760), (630, 332784), (648, 323540), (672, 311985), (720, 291186), (756, 277320), (810, 258832), (840, 249588), (864, 242655), (945, 221856), (1008, 207990), (1080, 194124), (1120, 187191), (1134, 184880), (1260, 166392), (1296, 161770), (1440, 145593), (1512, 138660), (1620, 129416), (1680, 124794), (1890, 110928), (2016, 103995), (2160, 97062), (2268, 92440), (2311, 90720), (2520, 83196), (2592, 80885), (2835, 73952), (3024, 69330), (3240, 64708), (3360, 62397), (3780, 55464), (4320, 48531), (4536, 46220), (4622, 45360), (5040, 41598), (5670, 36976), (6048, 34665), (6480, 32354), (6933, 30240), (7560, 27732), (9072, 23110), (9244, 22680), (10080, 20799), (11340, 18488), (11555, 18144), (12960, 16177), (13866, 15120)]