66891780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19559}}^1$

素因数の和:19593

約数の個数: 72

約数和(自身を含む): 213595200

約数和(自身を除く): 146703420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 19559, 39118, 58677, 78236, 97795, 117354, 176031, 195590, 234708, 293385, 352062, 371621, 391180, 586770, 704124, 743242, 880155, 1114863, 1173540, 1486484, 1760310, 1858105, 2229726, 3344589, 3520620, 3716210, 4459452, 5574315, 6689178, 7432420, 11148630, 13378356, 16722945, 22297260, 33445890, 66891780]

約数ペア:

[(1, 66891780), (2, 33445890), (3, 22297260), (4, 16722945), (5, 13378356), (6, 11148630), (9, 7432420), (10, 6689178), (12, 5574315), (15, 4459452), (18, 3716210), (19, 3520620), (20, 3344589), (30, 2229726), (36, 1858105), (38, 1760310), (45, 1486484), (57, 1173540), (60, 1114863), (76, 880155), (90, 743242), (95, 704124), (114, 586770), (171, 391180), (180, 371621), (190, 352062), (228, 293385), (285, 234708), (342, 195590), (380, 176031), (570, 117354), (684, 97795), (855, 78236), (1140, 58677), (1710, 39118), (3420, 19559)]