71036820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20805

約数の個数: 72

約数和(自身を含む): 226830240

約数和(自身を除く): 155793420

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, 20771, 41542, 62313, 83084, 103855, 124626, 186939, 207710, 249252, 311565, 373878, 394649, 415420, 623130, 747756, 789298, 934695, 1183947, 1246260, 1578596, 1869390, 1973245, 2367894, 3551841, 3738780, 3946490, 4735788, 5919735, 7103682, 7892980, 11839470, 14207364, 17759205, 23678940, 35518410, 71036820]

約数ペア:

[(1, 71036820), (2, 35518410), (3, 23678940), (4, 17759205), (5, 14207364), (6, 11839470), (9, 7892980), (10, 7103682), (12, 5919735), (15, 4735788), (18, 3946490), (19, 3738780), (20, 3551841), (30, 2367894), (36, 1973245), (38, 1869390), (45, 1578596), (57, 1246260), (60, 1183947), (76, 934695), (90, 789298), (95, 747756), (114, 623130), (171, 415420), (180, 394649), (190, 373878), (228, 311565), (285, 249252), (342, 207710), (380, 186939), (570, 124626), (684, 103855), (855, 83084), (1140, 62313), (1710, 41542), (3420, 20771)]