81343560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35677}}^1$

素因数の和:35710

約数の個数: 64

約数和(自身を含む): 256881600

約数和(自身を除く): 175538040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35677, 71354, 107031, 142708, 178385, 214062, 285416, 356770, 428124, 535155, 677863, 713540, 856248, 1070310, 1355726, 1427080, 2033589, 2140620, 2711452, 3389315, 4067178, 4281240, 5422904, 6778630, 8134356, 10167945, 13557260, 16268712, 20335890, 27114520, 40671780, 81343560]

約数ペア:

[(1, 81343560), (2, 40671780), (3, 27114520), (4, 20335890), (5, 16268712), (6, 13557260), (8, 10167945), (10, 8134356), (12, 6778630), (15, 5422904), (19, 4281240), (20, 4067178), (24, 3389315), (30, 2711452), (38, 2140620), (40, 2033589), (57, 1427080), (60, 1355726), (76, 1070310), (95, 856248), (114, 713540), (120, 677863), (152, 535155), (190, 428124), (228, 356770), (285, 285416), (380, 214062), (456, 178385), (570, 142708), (760, 107031), (1140, 71354), (2280, 35677)]