87638940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13159}}^1$

素因数の和:13211

約数の個数: 72

約数和(自身を含む): 273043680

約数和(自身を除く): 185404740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 13159, 26318, 39477, 52636, 65795, 78954, 118431, 131590, 157908, 197385, 236862, 263180, 394770, 473724, 486883, 592155, 789540, 973766, 1184310, 1460649, 1947532, 2368620, 2434415, 2921298, 4381947, 4868830, 5842596, 7303245, 8763894, 9737660, 14606490, 17527788, 21909735, 29212980, 43819470, 87638940]

約数ペア:

[(1, 87638940), (2, 43819470), (3, 29212980), (4, 21909735), (5, 17527788), (6, 14606490), (9, 9737660), (10, 8763894), (12, 7303245), (15, 5842596), (18, 4868830), (20, 4381947), (30, 2921298), (36, 2434415), (37, 2368620), (45, 1947532), (60, 1460649), (74, 1184310), (90, 973766), (111, 789540), (148, 592155), (180, 486883), (185, 473724), (222, 394770), (333, 263180), (370, 236862), (444, 197385), (555, 157908), (666, 131590), (740, 118431), (1110, 78954), (1332, 65795), (1665, 52636), (2220, 39477), (3330, 26318), (6660, 13159)]