51289380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2663}}^1$

素因数の和:2785

約数の個数: 72

約数和(自身を含む): 157090752

約数和(自身を除く): 105801372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 2663, 3210, 3852, 4815, 5326, 6420, 7989, 9630, 10652, 13315, 15978, 19260, 23967, 26630, 31956, 39945, 47934, 53260, 79890, 95868, 119835, 159780, 239670, 284941, 479340, 569882, 854823, 1139764, 1424705, 1709646, 2564469, 2849410, 3419292, 4274115, 5128938, 5698820, 8548230, 10257876, 12822345, 17096460, 25644690, 51289380]

約数ペア:

[(1, 51289380), (2, 25644690), (3, 17096460), (4, 12822345), (5, 10257876), (6, 8548230), (9, 5698820), (10, 5128938), (12, 4274115), (15, 3419292), (18, 2849410), (20, 2564469), (30, 1709646), (36, 1424705), (45, 1139764), (60, 854823), (90, 569882), (107, 479340), (180, 284941), (214, 239670), (321, 159780), (428, 119835), (535, 95868), (642, 79890), (963, 53260), (1070, 47934), (1284, 39945), (1605, 31956), (1926, 26630), (2140, 23967), (2663, 19260), (3210, 15978), (3852, 13315), (4815, 10652), (5326, 9630), (6420, 7989)]