645784650

素因数分解:

$2^1\times 3^6\times 5^2\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2568

約数の個数: 168

約数和(自身を含む): 2059002144

約数和(自身を除く): 1413217494

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 243, 270, 315, 350, 378, 405, 450, 486, 525, 567, 630, 675, 729, 810, 945, 1050, 1134, 1215, 1350, 1458, 1575, 1701, 1890, 2025, 2430, 2531, 2835, 3150, 3402, 3645, 4050, 4725, 5062, 5103, 5670, 6075, 7290, 7593, 8505, 9450, 10206, 12150, 12655, 14175, 15186, 17010, 17717, 18225, 22779, 25310, 25515, 28350, 35434, 36450, 37965, 42525, 45558, 51030, 53151, 63275, 68337, 75930, 85050, 88585, 106302, 113895, 126550, 127575, 136674, 159453, 177170, 189825, 205011, 227790, 255150, 265755, 318906, 341685, 379650, 410022, 442925, 478359, 531510, 569475, 615033, 683370, 797265, 885850, 956718, 1025055, 1138950, 1230066, 1328775, 1435077, 1594530, 1708425, 1845099, 2050110, 2391795, 2657550, 2870154, 3075165, 3416850, 3690198, 3986325, 4305231, 4783590, 5125275, 6150330, 7175385, 7972650, 8610462, 9225495, 10250550, 11958975, 12915693, 14350770, 15375825, 18450990, 21526155, 23917950, 25831386, 30751650, 35876925, 43052310, 46127475, 64578465, 71753850, 92254950, 107630775, 129156930, 215261550, 322892325, 645784650]

約数ペア:

[(1, 645784650), (2, 322892325), (3, 215261550), (5, 129156930), (6, 107630775), (7, 92254950), (9, 71753850), (10, 64578465), (14, 46127475), (15, 43052310), (18, 35876925), (21, 30751650), (25, 25831386), (27, 23917950), (30, 21526155), (35, 18450990), (42, 15375825), (45, 14350770), (50, 12915693), (54, 11958975), (63, 10250550), (70, 9225495), (75, 8610462), (81, 7972650), (90, 7175385), (105, 6150330), (126, 5125275), (135, 4783590), (150, 4305231), (162, 3986325), (175, 3690198), (189, 3416850), (210, 3075165), (225, 2870154), (243, 2657550), (270, 2391795), (315, 2050110), (350, 1845099), (378, 1708425), (405, 1594530), (450, 1435077), (486, 1328775), (525, 1230066), (567, 1138950), (630, 1025055), (675, 956718), (729, 885850), (810, 797265), (945, 683370), (1050, 615033), (1134, 569475), (1215, 531510), (1350, 478359), (1458, 442925), (1575, 410022), (1701, 379650), (1890, 341685), (2025, 318906), (2430, 265755), (2531, 255150), (2835, 227790), (3150, 205011), (3402, 189825), (3645, 177170), (4050, 159453), (4725, 136674), (5062, 127575), (5103, 126550), (5670, 113895), (6075, 106302), (7290, 88585), (7593, 85050), (8505, 75930), (9450, 68337), (10206, 63275), (12150, 53151), (12655, 51030), (14175, 45558), (15186, 42525), (17010, 37965), (17717, 36450), (18225, 35434), (22779, 28350), (25310, 25515)]