51687720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 320

約数和(自身を含む): 206997120

約数和(自身を除く): 155309400

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, 43, 45, 53, 54, 56, 60, 63, 70, 72, 81, 84, 86, 90, 105, 106, 108, 120, 126, 129, 135, 140, 159, 162, 168, 172, 180, 189, 210, 212, 215, 216, 252, 258, 265, 270, 280, 301, 315, 318, 324, 344, 360, 371, 378, 387, 405, 420, 424, 430, 477, 504, 516, 530, 540, 567, 602, 630, 636, 645, 648, 742, 756, 774, 795, 810, 840, 860, 903, 945, 954, 1032, 1060, 1080, 1113, 1134, 1161, 1204, 1260, 1272, 1290, 1431, 1484, 1505, 1512, 1548, 1590, 1620, 1720, 1806, 1855, 1890, 1908, 1935, 2120, 2226, 2268, 2279, 2322, 2385, 2408, 2520, 2580, 2709, 2835, 2862, 2968, 3010, 3096, 3180, 3240, 3339, 3483, 3612, 3710, 3780, 3816, 3870, 4293, 4452, 4515, 4536, 4558, 4644, 4770, 5160, 5418, 5565, 5670, 5724, 5805, 6020, 6360, 6678, 6837, 6966, 7155, 7224, 7420, 7560, 7740, 8127, 8586, 8904, 9030, 9116, 9288, 9540, 10017, 10836, 11130, 11340, 11395, 11448, 11610, 12040, 13356, 13545, 13674, 13932, 14310, 14840, 15480, 15953, 16254, 16695, 17172, 17415, 18060, 18232, 19080, 20034, 20511, 21465, 21672, 22260, 22680, 22790, 23220, 24381, 26712, 27090, 27348, 27864, 28620, 30051, 31906, 32508, 33390, 34185, 34344, 34830, 36120, 40068, 40635, 41022, 42930, 44520, 45580, 46440, 47859, 48762, 50085, 54180, 54696, 57240, 60102, 61533, 63812, 65016, 66780, 68370, 69660, 79765, 80136, 81270, 82044, 85860, 91160, 95718, 97524, 100170, 102555, 108360, 120204, 121905, 123066, 127624, 133560, 136740, 139320, 143577, 150255, 159530, 162540, 164088, 171720, 184599, 191436, 195048, 200340, 205110, 239295, 240408, 243810, 246132, 273480, 287154, 300510, 307665, 319060, 325080, 369198, 382872, 400680, 410220, 430731, 478590, 487620, 492264, 574308, 601020, 615330, 638120, 717885, 738396, 820440, 861462, 922995, 957180, 975240, 1148616, 1202040, 1230660, 1292193, 1435770, 1476792, 1722924, 1845990, 1914360, 2153655, 2461320, 2584386, 2871540, 3445848, 3691980, 4307310, 5168772, 5743080, 6460965, 7383960, 8614620, 10337544, 12921930, 17229240, 25843860, 51687720]

約数ペア:

[(1, 51687720), (2, 25843860), (3, 17229240), (4, 12921930), (5, 10337544), (6, 8614620), (7, 7383960), (8, 6460965), (9, 5743080), (10, 5168772), (12, 4307310), (14, 3691980), (15, 3445848), (18, 2871540), (20, 2584386), (21, 2461320), (24, 2153655), (27, 1914360), (28, 1845990), (30, 1722924), (35, 1476792), (36, 1435770), (40, 1292193), (42, 1230660), (43, 1202040), (45, 1148616), (53, 975240), (54, 957180), (56, 922995), (60, 861462), (63, 820440), (70, 738396), (72, 717885), (81, 638120), (84, 615330), (86, 601020), (90, 574308), (105, 492264), (106, 487620), (108, 478590), (120, 430731), (126, 410220), (129, 400680), (135, 382872), (140, 369198), (159, 325080), (162, 319060), (168, 307665), (172, 300510), (180, 287154), (189, 273480), (210, 246132), (212, 243810), (215, 240408), (216, 239295), (252, 205110), (258, 200340), (265, 195048), (270, 191436), (280, 184599), (301, 171720), (315, 164088), (318, 162540), (324, 159530), (344, 150255), (360, 143577), (371, 139320), (378, 136740), (387, 133560), (405, 127624), (420, 123066), (424, 121905), (430, 120204), (477, 108360), (504, 102555), (516, 100170), (530, 97524), (540, 95718), (567, 91160), (602, 85860), (630, 82044), (636, 81270), (645, 80136), (648, 79765), (742, 69660), (756, 68370), (774, 66780), (795, 65016), (810, 63812), (840, 61533), (860, 60102), (903, 57240), (945, 54696), (954, 54180), (1032, 50085), (1060, 48762), (1080, 47859), (1113, 46440), (1134, 45580), (1161, 44520), (1204, 42930), (1260, 41022), (1272, 40635), (1290, 40068), (1431, 36120), (1484, 34830), (1505, 34344), (1512, 34185), (1548, 33390), (1590, 32508), (1620, 31906), (1720, 30051), (1806, 28620), (1855, 27864), (1890, 27348), (1908, 27090), (1935, 26712), (2120, 24381), (2226, 23220), (2268, 22790), (2279, 22680), (2322, 22260), (2385, 21672), (2408, 21465), (2520, 20511), (2580, 20034), (2709, 19080), (2835, 18232), (2862, 18060), (2968, 17415), (3010, 17172), (3096, 16695), (3180, 16254), (3240, 15953), (3339, 15480), (3483, 14840), (3612, 14310), (3710, 13932), (3780, 13674), (3816, 13545), (3870, 13356), (4293, 12040), (4452, 11610), (4515, 11448), (4536, 11395), (4558, 11340), (4644, 11130), (4770, 10836), (5160, 10017), (5418, 9540), (5565, 9288), (5670, 9116), (5724, 9030), (5805, 8904), (6020, 8586), (6360, 8127), (6678, 7740), (6837, 7560), (6966, 7420), (7155, 7224)]