243698940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71257}}^1$

素因数の和:71291

約数の個数: 72

約数和(自身を含む): 778137360

約数和(自身を除く): 534438420

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, 71257, 142514, 213771, 285028, 356285, 427542, 641313, 712570, 855084, 1068855, 1282626, 1353883, 1425140, 2137710, 2565252, 2707766, 3206565, 4061649, 4275420, 5415532, 6413130, 6769415, 8123298, 12184947, 12826260, 13538830, 16246596, 20308245, 24369894, 27077660, 40616490, 48739788, 60924735, 81232980, 121849470, 243698940]

約数ペア:

[(1, 243698940), (2, 121849470), (3, 81232980), (4, 60924735), (5, 48739788), (6, 40616490), (9, 27077660), (10, 24369894), (12, 20308245), (15, 16246596), (18, 13538830), (19, 12826260), (20, 12184947), (30, 8123298), (36, 6769415), (38, 6413130), (45, 5415532), (57, 4275420), (60, 4061649), (76, 3206565), (90, 2707766), (95, 2565252), (114, 2137710), (171, 1425140), (180, 1353883), (190, 1282626), (228, 1068855), (285, 855084), (342, 712570), (380, 641313), (570, 427542), (684, 356285), (855, 285028), (1140, 213771), (1710, 142514), (3420, 71257)]