21702783180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{1999}}^1$

素因数の和:2504

約数の個数: 192

約数和(自身を含む): 67737600000

約数和(自身を除く): 46034816820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 449, 465, 620, 780, 806, 898, 930, 1209, 1347, 1612, 1796, 1860, 1999, 2015, 2245, 2418, 2694, 3998, 4030, 4490, 4836, 5388, 5837, 5997, 6045, 6735, 7996, 8060, 8980, 9995, 11674, 11994, 12090, 13470, 13919, 17511, 19990, 23348, 23988, 24180, 25987, 26940, 27838, 29185, 29985, 35022, 39980, 41757, 51974, 55676, 58370, 59970, 61969, 69595, 70044, 77961, 83514, 87555, 103948, 116740, 119940, 123938, 129935, 139190, 155922, 167028, 175110, 180947, 185907, 208785, 247876, 259870, 278380, 309845, 311844, 350220, 361894, 371814, 389805, 417570, 519740, 542841, 619690, 723788, 743628, 779610, 805597, 835140, 897551, 904735, 929535, 1085682, 1239380, 1559220, 1611194, 1795102, 1809470, 1859070, 2171364, 2416791, 2692653, 2714205, 3222388, 3590204, 3618940, 3718140, 4027985, 4487755, 4833582, 5385306, 5428410, 8055970, 8975510, 9667164, 10770612, 10856820, 11668163, 12083955, 13463265, 16111940, 17951020, 23336326, 24167910, 26926530, 27824081, 35004489, 46672652, 48335820, 53853060, 55648162, 58340815, 70008978, 83472243, 111296324, 116681630, 139120405, 140017956, 166944486, 175022445, 233363260, 278240810, 333888972, 350044890, 361713053, 417361215, 556481620, 700089780, 723426106, 834722430, 1085139159, 1446852212, 1669444860, 1808565265, 2170278318, 3617130530, 4340556636, 5425695795, 7234261060, 10851391590, 21702783180]

約数ペア:

[(1, 21702783180), (2, 10851391590), (3, 7234261060), (4, 5425695795), (5, 4340556636), (6, 3617130530), (10, 2170278318), (12, 1808565265), (13, 1669444860), (15, 1446852212), (20, 1085139159), (26, 834722430), (30, 723426106), (31, 700089780), (39, 556481620), (52, 417361215), (60, 361713053), (62, 350044890), (65, 333888972), (78, 278240810), (93, 233363260), (124, 175022445), (130, 166944486), (155, 140017956), (156, 139120405), (186, 116681630), (195, 111296324), (260, 83472243), (310, 70008978), (372, 58340815), (390, 55648162), (403, 53853060), (449, 48335820), (465, 46672652), (620, 35004489), (780, 27824081), (806, 26926530), (898, 24167910), (930, 23336326), (1209, 17951020), (1347, 16111940), (1612, 13463265), (1796, 12083955), (1860, 11668163), (1999, 10856820), (2015, 10770612), (2245, 9667164), (2418, 8975510), (2694, 8055970), (3998, 5428410), (4030, 5385306), (4490, 4833582), (4836, 4487755), (5388, 4027985), (5837, 3718140), (5997, 3618940), (6045, 3590204), (6735, 3222388), (7996, 2714205), (8060, 2692653), (8980, 2416791), (9995, 2171364), (11674, 1859070), (11994, 1809470), (12090, 1795102), (13470, 1611194), (13919, 1559220), (17511, 1239380), (19990, 1085682), (23348, 929535), (23988, 904735), (24180, 897551), (25987, 835140), (26940, 805597), (27838, 779610), (29185, 743628), (29985, 723788), (35022, 619690), (39980, 542841), (41757, 519740), (51974, 417570), (55676, 389805), (58370, 371814), (59970, 361894), (61969, 350220), (69595, 311844), (70044, 309845), (77961, 278380), (83514, 259870), (87555, 247876), (103948, 208785), (116740, 185907), (119940, 180947), (123938, 175110), (129935, 167028), (139190, 155922)]