19746217680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{84559}}^1$

素因数の和:84721

約数の個数: 160

約数和(自身を含む): 70462156800

約数和(自身を除く): 50715939120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 336, 417, 420, 556, 560, 695, 834, 840, 973, 1112, 1390, 1668, 1680, 1946, 2085, 2224, 2780, 2919, 3336, 3892, 4170, 4865, 5560, 5838, 6672, 7784, 8340, 9730, 11120, 11676, 14595, 15568, 16680, 19460, 23352, 29190, 33360, 38920, 46704, 58380, 77840, 84559, 116760, 169118, 233520, 253677, 338236, 422795, 507354, 591913, 676472, 845590, 1014708, 1183826, 1268385, 1352944, 1691180, 1775739, 2029416, 2367652, 2536770, 2959565, 3382360, 3551478, 4058832, 4735304, 5073540, 5919130, 6764720, 7102956, 8878695, 9470608, 10147080, 11753701, 11838260, 14205912, 17757390, 20294160, 23507402, 23676520, 28411824, 35261103, 35514780, 47014804, 47353040, 58768505, 70522206, 71029560, 82275907, 94029608, 117537010, 141044412, 142059120, 164551814, 176305515, 188059216, 235074020, 246827721, 282088824, 329103628, 352611030, 411379535, 470148040, 493655442, 564177648, 658207256, 705222060, 822759070, 940296080, 987310884, 1234138605, 1316414512, 1410444120, 1645518140, 1974621768, 2468277210, 2820888240, 3291036280, 3949243536, 4936554420, 6582072560, 9873108840, 19746217680]

約数ペア:

[(1, 19746217680), (2, 9873108840), (3, 6582072560), (4, 4936554420), (5, 3949243536), (6, 3291036280), (7, 2820888240), (8, 2468277210), (10, 1974621768), (12, 1645518140), (14, 1410444120), (15, 1316414512), (16, 1234138605), (20, 987310884), (21, 940296080), (24, 822759070), (28, 705222060), (30, 658207256), (35, 564177648), (40, 493655442), (42, 470148040), (48, 411379535), (56, 352611030), (60, 329103628), (70, 282088824), (80, 246827721), (84, 235074020), (105, 188059216), (112, 176305515), (120, 164551814), (139, 142059120), (140, 141044412), (168, 117537010), (210, 94029608), (240, 82275907), (278, 71029560), (280, 70522206), (336, 58768505), (417, 47353040), (420, 47014804), (556, 35514780), (560, 35261103), (695, 28411824), (834, 23676520), (840, 23507402), (973, 20294160), (1112, 17757390), (1390, 14205912), (1668, 11838260), (1680, 11753701), (1946, 10147080), (2085, 9470608), (2224, 8878695), (2780, 7102956), (2919, 6764720), (3336, 5919130), (3892, 5073540), (4170, 4735304), (4865, 4058832), (5560, 3551478), (5838, 3382360), (6672, 2959565), (7784, 2536770), (8340, 2367652), (9730, 2029416), (11120, 1775739), (11676, 1691180), (14595, 1352944), (15568, 1268385), (16680, 1183826), (19460, 1014708), (23352, 845590), (29190, 676472), (33360, 591913), (38920, 507354), (46704, 422795), (58380, 338236), (77840, 253677), (84559, 233520), (116760, 169118)]